Respuesta :
The answer is B, Britain and France disagreed over who owned the area
The rivers are the main source of traveling and navigation. They play a curial or strategic role in french and Indian war.
As the french wanted to control the American Indian trade they targeted the Ohio river to keep the Pennsylvania traders out.
- Apart form that they also wanted the American Indian who were living there to be on their side.
- The French also wanted to keep the Allegheny Mountains.
Thus the option B is correct.
Learn more about how the Ohio River valley was an important start or the french and Indian war.
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