Bureaucracy is the answer to your question
"President Andrew Johnson acted on his belief that "this is a country for white men" in several ways, but the best option here is that he "<span>withdrew the military from Southern states"</span>
Answer:
It would be The United States and Britain agreed to stop fighting
Explanation:
It's a departure from the policy of neutrality because Roosevelt is no longer remaining removed from the conflict even though the US hasn't yet declared war on Germany and Japan. Previously this would be viewed as an act of war bc he is providing military aid to Great Britain and is firing at German U-boats, especially with his implementation of the shoot on sight policy of the U-boats later on(but before the U.S. entered the war).