What do they reveal about the spanish-american conflicts in the pacific and caribbean?

The Spanish-America Conflict(War):

A conflict between the two regions in 1898. Due to the Spanish Colonial rule in the Cuban region, protest rose and the rebels demanded independence from the Spanish rule.

Explanation:

As Spaniards had power, the rebels wanted freedom and to the surprise the US came for the support of Cuban rebels. As it was a conflict in the era of  1898. When the it all started and resulted with an end to the Spanish colonial rule in Cuba.  

the answer is c. estudió

explanation:

to translate: last year a group from my school went to cuba and studied the history of the island. you would use preterite form because it was one time and they use fue in the sentence.