Conquered people were brought together in their hatred for their French oppressors .
State rights, slavery, and sectionalism,
The Berlin Conference did not consider/prioritize the indigenous African peoples.
You didn't include options but here's the jist - there were many casualties, cities and towns were left in ruins, national identities across Europe were in shambles.
<span>The American policy of containing communism led to the Korean War and later to the Vietnam War because it committed the United States to resisting communist expansion. These wars were fought for that purpose. The containment policy said that the United States would try to prevent communism from expanding.</span>