Catherine the Great's most significant territorial triumph was "the partition of Poland".
Option: B
Explanation:
The most ruling female head of Russia was the Empress of the nation during 1762 to 1796, named as "Catherine the Great". The involvement of foreign lands, more prominently from the Polish–Lithuanian Commonwealth and the Ottoman Empires by putting efforts to act as a global intermediary in conflicts that could or did lead to conflict. During her reign the Russian territory was incorporated with some 200,000 square miles.
The notion of splitting the Polish-Lithuanian Commonwealth originated from the Great of Prussia named as Frederick, while Catherine played a prominent role in working it out in three different divisions during 1772, 1793 and 1795. Russia concluded the fragmentation with Prussia and Austria of Commonwealth and thus ceased to survive as a free State.
