Humans have more developed brains and opposable thumbs. We also have better abilities to communicate.
B. Christianity
The religion is the largest currently, being about 31% of Earths population. Which is a huge about considering how many religions there are.
Traveling is important for people to connect.
Answer:
World War II
Explanation:
After the Great Depression, many were jobless. Even after many of FDR's new deal programs, there still was some struggle. Once World War II came around, there was an extraordinary boost in productivity and industrial capacity, which allowed the US to get itself out of the war.
Hope this helps!
The Northern states believed that slaves should be free.