Austria and Sudetenland in 1938 , and invaded the Czech part of Czechoslovakia the next year . Germany invaded Poland on 1 September 1939 - . The invasion of Poland forced Britain and France , to declare war on Germany because they had pledged to protect Poland . This caused the World War II to begin . Great Britain and France declared war on Germany on 3 September 1939 . The United States proclaimed her neutrality on 5 September 1939 . The US President declared limited national emergency...
Please, wait, we are searching for the best essays for you
SUBJECTS
