What was one cause of the French and Indian War? A
American Indian attacks on French colonies
B
British attacks on French merchant ships
С
a French naval blockade of the port of Savannah
D
British expansion into the Ohio River Valley

Causes of the French and Indian War. The French and Indian War began over the specific issue of whether the upper Ohio River valley was a part of the British Empire, and therefore open for trade and settlement by Virginians and Pennsylvanians, or part of the French Empire.

Explanation: D    the ohio river was under constant attack and please brainlest

a) the colonists began to see themselves as different from people in britain.