Due to the fact's of world history.
Answer choice- B.<span>Kublah Khan</span>
<span>political unrest was ongoing under corrupt despots with frequent military coups and violent uprisings
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some of notable despots was Batista and Machado, who seemingly back tracked from earlier promises to withhold democratic values. Batista first was elected president after a new constitution was promulgated in 1940,adhered to the presidential terms before returning to the scene again,failing and staging a coup.
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The two primary incentives sailors were offered for joining the navy were relatively high and stable pay, and pension plans if they stayed in long enough. These were especially appealing during times of economic depression.
Congress(house of representatives and the senate put together)