The document provides background information on Anne Frank and the events leading up to her family going into hiding during World War II. It describes the rise of the Nazi party in Germany in the 1930s, with Hitler becoming Chancellor in 1933. It outlines the Nazis' anti-Semitic policies and legislation that isolated Jews from society. As tensions increased, the Frank family moved to Amsterdam in 1933 but went into hiding in 1942 after Margo received a call-up notice to a labor camp. They hid in a secret annex for over two years until they were arrested in 1944.