1. The list of the four reasons that McKinley used as evidence to wage war against Spain by invading Cuba is as follows:
a. Cubans were suffering humanitarian disaster at the hands of the Spanish.
b. American citizens in Cuba needed U.S. protection.
c. The U.S. must safeguard its economic interests.
d. The U.S. could not stand idle in the face of threats to its territorial integrity.
2. McKinley tried to wipe up public sentiment over the destruction of the USS Maine at the Port of Havana by laying culpable blame on Spain.
Thus, President McKinley tried to convince Congress to authorize the government to secure peace in Cuba against Spain.
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