Help me plzzz Historians claim Stalingrad was possibly the most important turning point battle in Europe, because it “opened up an Eastern Front.” Explain what this means.

it pinned the Eastern Front and the germans against one another

Explanation:

While the epoch-changing shifts of power were taking place in Russia, World War One was raging in Western and Eastern Europe between Germany and the Allies, starting in 1914. Before the October Revolution in 1917, the Allies offered enormous amounts of capital and military supplies to Russia to keep it in the war and Russia accepted. It "opened up an Eastern Front" against the Germans.

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explanation: