Today in our country, what is the ration of people who can identify that a relative came to this country through Ellis Island to those who cannot?

Why did other of the delian league resent athenian control

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

To your knowledge had the usa ever invaded canada after the war of 1812