Answer:
B. American foreign policy
Explanation:
Roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. This belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of Roosevelt's foreign policy.
He specifically spoke out against the Jim Crow laws
There were actually two theories that Hitler did emphasize in his book, Mein Kampf, it was his hatred towards Communism and Judaism. He gave contrast to his hatred towards Jews and other minorities. He also formulated his own dictatorship as a political theory on his own.
John Locke first came up with the executive and legislative branches, but only the seperation between those 2. Charles-Louis de Secondat came up with the judicial branch. Hope this helps!
The answer is going to be the Gentleman's Agreement. This agreement was between United States and the Empire of Japan, not Mexico.