diff --git a/src/warchron/model/campaign.py b/src/warchron/model/campaign.py
index 6a7eb99..4006a06 100644
--- a/src/warchron/model/campaign.py
+++ b/src/warchron/model/campaign.py
@@ -29,20 +29,21 @@ class Campaign:
             "id" : self.id,
             "name" : self.name,
             "month" : self.month,
-            "entrants" : self.entrants,
-            "rounds" : self.rounds,
+            # "entrants" : self.entrants,
+            "rounds": [rnd.toDict() for rnd in self.rounds],
             "is_over": self.is_over
         }
     
     @staticmethod
-    def fromDict(id, name, month, entrants, rounds, is_over):
-        tmp = Campaign(name=name)
-        tmp.set_id(id)
-        tmp.set_month(month)
-        ## entrants placeholder
-        ## rounds placeholder
-        tmp.set_state(is_over)
-        return tmp
+    def fromDict(data: dict):
+        camp = Campaign(name=data["name"])
+        camp.set_id(data["id"])
+        camp.set_month(data["month"])
+        # camp.entrants = data.get("entrants", {})
+        for rnd_data in data.get("rounds", []):
+            camp.rounds.append(Round.fromDict(rnd_data))
+        camp.set_state(data.get("is_over", False))
+        return camp
     
     def add_round(self, number: int) -> Round:
         round = Round()
diff --git a/src/warchron/model/model.py b/src/warchron/model/model.py
index 0cc4bdf..aa05ec2 100644
--- a/src/warchron/model/model.py
+++ b/src/warchron/model/model.py
@@ -15,8 +15,6 @@ class Model:
     def new(self):
         self.players.clear()
         self.wars.clear()
-        # self.campaigns.clear()
-        # self.rounds.clear()
 
     def load(self, path: Path):
         self.players.clear()
@@ -32,24 +30,25 @@ class Model:
         try:
             with open(path, "r", encoding="utf-8") as f:
                 data = json.load(f)
-            for player in data["players"] : 
-                saved_player = Player.fromDict(player["id"], player['name'])
-                self.players[saved_player.id] = saved_player
-            for war in data["wars"]:
-                # placeholder
-                pass    
+            self.players.clear()
+            self.wars.clear()
+            for p in data.get("players", []):
+                player = Player.fromDict(p)
+                self.players[player.id] = player
+            for w in data.get("wars", []):
+                war = War.fromDict(w)
+                self.wars[war.id] = war  
         except json.JSONDecodeError:
             raise RuntimeError("Data file is corrupted")
 
     def _save_data(self, path: Path):
         if path.exists():
             shutil.copy(path, path.with_suffix(".json.bak"))
-        data = {}
-        data['version'] = "1.0"
-        data['players'] = []
-        data['wars'] = []
-        for player in self.players.values():
-            data['players'].append(player.toDict())
+        data = {
+            "version": "1.0",
+            "players": [p.toDict() for p in self.players.values()],
+            "wars": [w.toDict() for w in self.wars.values()]
+        }
         with open(path, "w", encoding="utf-8") as f:
             json.dump(data, f, indent=2)
 
diff --git a/src/warchron/model/player.py b/src/warchron/model/player.py
index a835fa1..ed6674e 100644
--- a/src/warchron/model/player.py
+++ b/src/warchron/model/player.py
@@ -18,7 +18,7 @@ class Player:
         }
     
     @staticmethod
-    def fromDict(id, name):
-        tmp = Player(name=name)
-        tmp.set_id(id)
-        return tmp
\ No newline at end of file
+    def fromDict(data: dict):
+        play = Player(name=data["name"])
+        play.set_id(data["id"])
+        return play
\ No newline at end of file
diff --git a/src/warchron/model/round.py b/src/warchron/model/round.py
index 04cfb81..c80012f 100644
--- a/src/warchron/model/round.py
+++ b/src/warchron/model/round.py
@@ -16,18 +16,19 @@ class Round:
 
     def toDict(self):
         return {
-            "sectors" : self.sectors,
-            "choices" : self.choices,
-            "battles" : self.battles,
+            "id": self.id,
+            # "sectors" : self.sectors,
+            # "choices" : self.choices,
+            # "battles" : self.battles,
             "is_over": self.is_over
         }
 
     @staticmethod
-    def fromDict(id, sectors, choices, battles, is_over):
-        tmp = Round()
-        tmp.set_id(id)
-        ## sectors placeholder
-        ## choices placeholder
-        ## battles placeholder
-        tmp.set_state(is_over)
-        return tmp
\ No newline at end of file
+    def fromDict(data: dict):
+        rnd = Round()
+        rnd.set_id(data["id"])
+        # rnd.sectors = data.get("sectors", {})
+        # rnd.choices = data.get("choices", {})
+        # rnd.battles = data.get("battles", {})
+        rnd.set_state(data.get("is_over", False))
+        return rnd
\ No newline at end of file
diff --git a/src/warchron/model/war.py b/src/warchron/model/war.py
index 564aeb3..35a1fab 100644
--- a/src/warchron/model/war.py
+++ b/src/warchron/model/war.py
@@ -29,21 +29,22 @@ class War:
             "id" : self.id,
             "name" : self.name,
             "year" : self.year,
-            "entrants" : self.entrants,
-            "campaigns" : self.campaigns,
+            # "entrants" : self.entrants,
+            "campaigns": [camp.toDict() for camp in self.campaigns],
             "is_over": self.is_over
         }
     
     @staticmethod
-    def fromDict(id, name, year, entrants, campaigns, is_over):
-        tmp = War(name=name)
-        tmp.set_id(id)
-        tmp.set_year(year)
-        ## entrants placeholder
-        ## campaigns placeholder
-        tmp.set_state(is_over)
-        return tmp
-    
+    def fromDict(data: dict):
+        war = War(name=data["name"])
+        war.set_id(data["id"])
+        war.set_year(data["year"])
+        # war.entrants = data.get("entrants", {})
+        for camp_data in data.get("campaigns", []):
+            war.campaigns.append(Campaign.fromDict(camp_data))
+        war.set_state(data.get("is_over", False))
+        return war
+
     def add_campaign(self, name) -> Campaign:
         campaign = Campaign(name)
         self.campaigns.append(campaign)