It was the use of assembly lines
Q1: D) the US warning European interference in Latin America would lead to US intervention
Q2: A) it served as a key naval base during the Spanish American War
Proof of Q2:
"When war broke out with Spain in 1898, the military significance of Hawaiian naval bases as a way station to the SPANISH PHILIPPINES outweighed all other considerations. President William McKinley signed a joint resolution annexing the islands.
Your answer would be:
C.It ended slavery, but it failed to guarantee the right to vote for African American men.
~<em>Luis~</em>
Answer:
I am pretty sure it is B
Explanation:
Hope it helps and I am right have a good day!
