Does Jan Karski feel the President's response was adequate? How do you know

Jan Karski feel the President's response was not adequate and the rest explanation is discussed below in details.

Explanation:

In 1943, Polish undercover carrier Jan Karski notified that time president Roosevelt of stories of mass killings received from Jewish leaders in the Warsaw Ghetto. the United States governments did not, respond as much quickly they were thinking. However, induct any operation aimed at rescuing European Jews until 1944.

By the time the United States was ready to rescue them, however, four out of five Jews who would die in the destruction were already dead, many blamed the United States is responsible for the Holocaust.