How did the Russians stop Napoleons invasion into their homeland, and 1 poin into Moscow? A. They dug a moat
B. They prepared an army to boldly defend Moscow
C. They practiced the scorched earth policy, burning it to the ground and abandoning it.

C

Explanation:

because the Russians practiced scorch and burn policy by destroying all of their crops and livestock so that the French army had nothing to eat. This made the French troops extremely weak and ill which gave the Russians the upper hand.

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the exclusive possession or control of the supply or trade in a commodity or service.