It was by the sea so good navy & good way to transport. Being by the sea also made for good soil & crops.
The assassination of Franz Ferdinand because it set the alliances into motion. That was the spark that started WW1. WW1 eventually led to WW2 and so on...
One big barrier is economic background. Many students from immigrant parents often can’t afford college or have to work instead of going to school. Another difference can be the language barriers given that it’s harder to learn English than it is most languages because it doesn’t stick to grammar rules as much as others do.
upper class where scared to compermise the respect and rights they had
Answer:
New Mexico Uthah Nevada Arizona California and parts of Colorado it opened up more industrial space and gave opportunity for countless cotton farms which would soon lead to the American civil war