Complex sentence: The enemy is depicted as an aggressor, responsible for initiating all hostilities while contrasted with a victimized country, who adopts positive connotations of a nation willing to negotiate, reason, and/or compromise.
Split into simpler sentences: The enemy is depicted as the aggressor, and therefore responsible for initiating all hostilities. They are, in turn, contrasted with a victimized country to emphasize their culpability, who adopts the positive connotations of a nation willing to negotiate, reason, and/or compromise.