The answer is racial discrimination.
Jim Crow Laws were laws created to segregate the White and
Black Americans in the mid-19th century. These laws were created by
the Democratic party wherein they have given the Black Americans equal rights
but they have created their own public facilities to separate them from the
White Americans.
Depends. What war are you talking about? If it's WW1, then it's because everyone was stupid at the time and thought their enemies did it and one thing led to another.
The brain. Modern homo sapiens such as humans have much larger brain than the early homo sapiens due to the fact that food at the time was becoming scarce so the need for the homo sapiens to become smarter was a necessity. And because of this early homisapiens brains evolved to become much larger than what they were before
No bc Congress makes all the decisions.... for example, the President can try to make a law, but the Congress an veto it
