Answer:
They declared War
Explanation:
On April 21, 1898, the United States declared war against Spain. ... The reasons for war were many, but there were two immediate ones: America's support the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.
To liberate conquered allies.
B because the trail of tears required the Indians to settle other places
South america!
hope this helps
