What is this and what is it used for back in Ancient Rome time?

Which of the following makes a true statement about us foreign-policy

Which were accomplishments of jane addams? check all that apply. she established hull house. she founded the sierra club. she served on chicago’s board of education. she published a book of photographs showing the urban poor. she won the nobel peace prize in 1931.

How did the aztec culture benefit spain when they were conquering the aztecs?