 Complete the following phrase:  In the northern-hemisphere summer of 1940 Germany rapidly defeated the French Third Republic, and colonial administration of French Indochina modern-day Vietnam, Laos and Cambodia passed to the French State Vichy France. In September 1940 Japanese troops first entered parts of Indochina; and in July 1941 Japan extended its control over the whole of French Indochina. The United States, concerned by Japanese expansion, started putting embargoes on exports of steel and oil to Japan from July 1940. The desire to escape these embargoes and to become self-sufficient in resources ultimately contributed to Japans decision to attack on December 7, 1941 the British Empire in Hong Kong and Malaya and simultaneously the USA in the 