Question

What was the reason for the entry of US in the Second World War?
(a) USSR overpowering USA (b) Japan bombed on Pearl Harbour
(c) The Berlin Pact (d) Treaty of Versailles

Answer 1

(b) Japan bombed on Pearl Harbour

Explanation:

The United States of America declared war on Japan after it bombed the Pearl Harbour on December 7, 1941. The United States of America moved its Pacific fleet there in order to serve as a deterrent to the rapidly expanding Japanese empire. Thus United States of America ended World War 2 when it's fleet was bombed by the Japanese.