Why Did Great Britain Become More Powerful in North America

Why did Great Britain become more powerful in North America than either France or Spain in the first half of the 18th century?

A) France and Spain fought a debilitating war that allowed the British to develop their possessions without interference.
B) Great Britain greatly expanded its navy and built new bases in North America and the Caribbean.
C) Great Britain's population in North America more than quadrupled.
D) France underwent a series of leadership changes that prevented it from giving its colonies much attention
E) Spain abandoned most of its North American possessions in favor of building its empire in Africa.