Question

Which of the following was a cause of the French and Indian War?
Britain and France disputed borders in the Ohio River Valley.
French and American smugglers competed for navigation rights on the Ohio River.
France and Native Americans disputed trading rights in the Ohio River Valley.
Native Americans attacked British forts in the Ohio River Valley.

Answer 1

One major cause of the French and Indian War was "Britain and France disputed borders in the Ohio River Valley," since there had never been clearly defined borders in this region. 

Answer 2

Answer:

Britain and France disputed borders in the Ohio River Valley.

Explanation:

For many centuries, the British and the French had been fighting over land and wealth in Europe. They both claimed land along the Ohio River and neither backed down, as the land was quite valuable.