They have to follow the peace treaty after the war. The area will have to find new or old trading possibilities because the other side of the war (the people they are fighting) could have terminated (or gained the people the opponents trade with as an ally) during their fight. Also some people will have to fully change their lives based on what the peace treaty demanded of the opponents.
Peace treaties effect people afterwards because the people living in the area that won will have to have the other people from the losing side of the war will have to move in with the winning side because some the houses will have been destroyed probably hope this helped Feel free to ask anymore questions here at brainly.com <span />
