How did the KKK influence politics in the South?

Why did the south decide to fight a defensive war 1.to protect their plantations 2.to make the north look like the aggressor 3.to take advantage of their knowledge of the land 4.to make maximum use of the limited transport system

Why is it useful for historians to base certain studies on the analysis of historical periods

Was the battle of iwo jima over after us troops raised the flag on mt. suribachi?