Factors leading to America's declaration of war on Spain included all of the following except:
a) bombing of the Maine
b) anti-Spanish propaganda
c) Spanish ambassador's letter damage to United States
d) business investments
e) Spain's willingness to negotiate

e) Spain's willingness to negotiate

Explanation:

American and and Spanish war was a war that could have been aviodable if not for the series of unfortunate events that leds towards it happening. This war was triggered as a result of the sinking of the battleship Maine in Havana harbor on February 15, 1898.

Spain's willingness to negotiate was never a reason to engage in the war. The treaty of peace was rather signed between the Americans and the Spanish in Paris on December 10, 1898.

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