Answer:
Many were Irish immigrants who had come to the United States to escape economic hardship, but found themselves fighting in the Mexican-American War against their adopted country. The American Protestant majority resented the Irish for being of lower socioeconomic status, and also for being Catholic. So they revolted
Answer:
B, Asia, to retaliate for the attack on Pearl Harbor
Answer:
Decolonisation and nationalism
Explanation:
In the modern era after world war I many colonies gained their Independence, this led to lots of pride and nationalism
Limiting competition, this is why they're frowned on today.
