It's A, it would only be the first one
Answer:
Canada's entry into the Cold War came with the disclosure in 1946 of a spy ring led by Igor Gouzenko. Involvement in NATO and support for the UN led Canada to be an active participant in the Korean War in 1949. In 1949, the Soviet Union detonated its first atomic bomb, and the age of superpowers was launched.
President Richard Nixon is the only president to resign from the office and was the 37th president of the United States, serving from 1969 to 1974. Vice president Gerald R. Ford of Michigan took the office as the new president to complete the remaining 2 1/2 years of Nixon's term.
A. Constitutional Monarchy.
The British Empire was never Democratic or Socialist.