FDR was getting us into war come hell or highwater.
He ordered U.S. warships to conduct missions against German U-boats.
We fired first when the U.S. destroyers Greer and Kearney were attacked.
He used made-up British intelligence about Hitler's plans, which didn't exist, for the conquest of South America and the Nazification of Christianity.
He sent picket ships out into the path of the Japanese fleet in the hope they would be sunk.
He gave Lord Halifax secret, but unconstitutional, assurances America would defend His Majesty's colonies in the Pacific.
He spurned a secret peace offer from Japan's Prince Konoye and issued a secret ultimatum to Tojo's regime on Nov. 26, 1941.
As Secretary of War Henry Stimson wrote in his diary two weeks before Pearl Harbor, "We should maneuver them into ... firing the first shot."
It sounds that you think that America's participation in WWII was somehow wrong. Or did I misunderstand?
And it's sure that Christianity was under nazi menace during Third Reich. Nazism is (like communism) deeply anti-christian ideology.