Why did president franklin d roosevelt give britain in 50 battlships?

Brainliesttt asap!me : describe the responses to terrorism in the united states.

What would be considered a secondary source about the assasination of abraham lincoln

The american public did not truly take in the horror of adolf hitler's regime until years after the existence of concentration camps was first reported in american newspapers. partly this was the fault of the media, which did not give prominent placement to news of the holocaust. what other factors do you think contributed to the long delay in understanding the holocaust?