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! :)
I do not know who Filmore is but the south strongly believed ending slavery would cause the economy to collapse.
Answer:
I believe that your looking for the war of texas witch may mean that there were many different rolls in the war. Such as military nurses.
Explanation:
B and A sound the best but as we can only choose one i whould go with B hope this helps