What was the outcome of the 1914 Battle of Tannenberg on the eastern front?

a. Russia was decisively victorious, capturing more than 50,000 German troops and halting their advance.
b. The battle caused Russia to seek a peace treaty to end its conflict with Germany.
c. the battle resulted in a stalemate as both Russian and German armies suffered heavy losses.
d. Russia suffered almost 80,000 casualties and 90,000 prisoners of war as compared to Germany’s 15,000 casualties.

The correct answer is d. Russia suffered almost 80,000 casualties and 90,000 prisoners of war as compared to Germany's 15,000 casualties. The outcome of the 1914 Battle of Tannenberg on the eastern front during World War I resulted in a significant defeat for the Russian army.

To find the answer, you can do some research by consulting historical references such as books, articles, or online sources. Look for information specifically about the Battle of Tannenberg during World War I. Many reliable sources should provide detailed accounts of the battle, including casualty numbers and the overall outcome. By comparing the casualty numbers for both sides, you can determine that Russia suffered heavier losses than Germany.