The Soviet Union bore the most casualties, therefor the Soviet Union will be the correct answer.
Hopefully this helps!
Answer:
Radical Republicans believed that African Americans deserved immediate freedom from bondage and should receive the same rights as whites. Radical Republicans favored granting civil rights to African Americans for various reasons. Some radicals truly believed that African Americans were equals to the whites.
Explanation:
-their brain size increased. This means that they adopted more intelligent traits
-for tools and weapons, they made them more lighter.
-they were the first to create art as hominids