The 1956 Suez Crisis began when
A. the United States refused to give up control of the Suez Canal.
B. the Soviet Union bombed the Suez Canal.
C. Egypt seized control of the Suez Canal.
D. Great Britain refused to make improvements to the Suez Canal.
The 1956 Suez Crisis began when "C. Egypt seized control of the Suez Canal," since this led to the invasion of the region by Israel, and soon after Great Britain--in an attempt to regain control of the canal zone.