What is the main idea of chapter 4?

So many more Jews had no place to go because other countries couldn't accommodate the massive amount of people and they also did not want to invite trouble which was sure to follow. Helen's parents and her brother narrowly escaped to America in early 1940 because Helen's father was Lithuanian and the Lithuanian immigrant quota in America had not yet been met. Only 800,000 Jews were able to escape Germany by leaving Europe; 7 times that number would perish by the end of the war in 1945.