What were the advantages and disadvantages for both the French and British in moving into the Ohio River Valley?

The rivers were their main way of traveling. The French wanted to control the American Indian trade in the Ohio River Valley and keep the Pennsylvania traders out. They also needed the American Indians living there to be their allies. ... In North America, France wanted to keep the British east of the Allegheny Mountains

Explanation:

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.