Answer:
The policy of imperialism is usually considered to have begun in the late 19th century, though some consider US territorial expansion at the expense of Native Americans to be similar enough to deserve the same term.
Found this on google, sorry if this doesn't help, have a great day/nigth and stay safe! :)
Answer:
the second two are correct
Answer: They were affected pretty positively. The knew what the African Americans were going through, as they had marched through the same streets just a couple years/decades before hand. They had very similair views so they were marching with the African Americans during the 60s!
