The "Middle Grounds" Refers to a Region of Colonial North

Multiple Choice

The "middle grounds" refers to a region of colonial North America in which

A) Indian tribes were largely able to keep European colonists out.
B) French colonists managed to hold the balance of power.
C) no single European or Indian group held clear dominance.
D) English colonists quickly became the dominant power.
E) Spanish colonists were long the dominant power.