The main reasons were, 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.
Answer:
Giving the Union control of the Mississippi River
Explanation:
The Union wanted control of the Mississippi to cut off trade and transport for the South. The river being taken also made things harder for the Confederates (because it cut their side in half, so the Union had the upper hand).
The answer is a. Trade with other Asian nations
was a large reason for industrialization in Japan. Japan was now
entering a phase of modernization. It
was now making a shift to trade with other countries to boost its economy.