<span>The collapse of Reconstruction ended African Americans' hopes of being granted their own land in the South. Instead, many returned to plantations owned by whites, where they either worked for wages or became tenant farmers, paying rent for the land which they farmed.</span>
Answer: -Government
-Complex social organization
-Trade and economic activity
I believe Kennedy implies this because starting a nuclear war would in the end kill everybody and their would be absolutely no reason to do one.
<em>Hope this helps, Kam</em>
