1. How did Catherine succeed where Peter the Great had failed?
a) She strengthened the institute of serfdom.
b) She won a warm-water port for Russia.
c) She expanded Russia's borders.
d) She introduced policies to westernize Russia.

Question: "How did Catherine succeed where Peter the Great had failed?"

"Both had many successes, however unlike Peter the Great, Catherine won a warm-water port for Russia. Hence, Option B would be the best choice out of the options given above."

1st and 3rd : ) now lemme smash

ok sorry the answer is a. by their religion