Ulysses S. Grant was the 18th President
Explanation:
In 1959, the US began a policy to keep any Communist influence out of the Western hemisphere. This led to US involvement in Latin America. ... They maintained control until the end of the Cold War, when US-backed rebels took it from them. Castro's Cuban Revolution took place between 1953 and 1959.
To obey and support the government without question.
Spain is the correct answer.