18. Mark A for True. Mark B for False.

President McKinley sent the battleship Maine into Havana harbor to protect U.S. citizens and property from supposed Spanish loyalist attacks. Spaniards saw the ship as a threat to their control in Cuba and signed an accord to relocate to the Guantanamo Bay region. Spain did not have enough manpower to withstand an American assault.

A. True
B. False

President McKinley did not send the battleship Maine to Havana due to supposed Spanish loyalist attacks, leading to the false attribution of the ship's explosion to Spain and the subsequent Spanish-American War.

Explanation:

False: President McKinley sent the battleship Maine to Havana in 1898 to showcase U.S. maritime power and protect American interests in Cuba, not due to supposed Spanish loyalist attacks. The ship's explosion was falsely attributed to the Spanish, leading to the rallying cry 'Remember the Maine, to Hell with Spain!' which fueled the Spanish-American War.

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