I think a few here is fond of the old Franklin Delano Roosevelt, but looking into the actions that he did during the years into the prelude of World War 2 was really interesting. At his behest, he supplied Joseph Stalin and the whole Soviet Union of military equipment and intelligence to prepare for the Nazis. I really don't think that Americans during at the time was on board with supplying another enemy, the communists, with their own handmade products just to hold off the Reich.
Let's not get started with the internment camps he did against Americans of Japanese lineage after the Pearl Harbor attacks, how the Democrats were tight-lipped about it to this day, and the communist project that the former First Lady, Eleanor Roosevelt did in Arthurdale, Virginia, that was still left untold on how many people died due to starvation on that god forsaken experiment of hers.
FDR was not a Leninist. He was a Democratic Socialist like many of the Fabians.
Fabian Socialists vs National Socialists vs Revolutionary Socialists. That's WW2 in a nutshell.
All of the stuff you're pointing out, is just the stand behavior of Socialists. Roosevelt, like most Leftist intellectuals, admired the Soviet Union and totalitarianism because it fit so well with how to develop a planned economy & society. It's why Maynard Keynes praised totalitarianism and fascism with his theory of money.
Keynesian Economics has probably done the second most harm to the United States after the Sexual Revolution.
I'm kind of amazed at how strong the US has been under it, even regarding the devastation it's caused. Japan's been basically knee-capped and hasn't fucking progressed since the year 2000. Somehow, the US has managed to continue to be strong despite the collapse of the rust-belt, and it even managed to recover from a death-blow of putting 46 million people out of work.
If the US can get out from under Keynesianism, it will basically have a second American century.