The British Invasion of Canada in 1756 During the Seven

The British invasion of Canada in 1756 during the Seven Years' War

A) was initially hampered significantly by poor strategic decision making by Britain's war leaders.
B) concentrated on Quebec and Montreal.
C) was prompted, in part, by the fact that in 1756 the undeclared war in America had merged into a world conflict.
D) was an immediate and universally successful military operation.
E) resulted in British control of the St. Lawrence River.