Answer: A. North Vietnam took over South Vietnam when the US troops left
Explanation: Communist forces ended the war by seizing control of South Vietnam in 1975, and the country was unified as the Socialist Republic of Vietnam the following year.
Answer:
B.
Explanation:
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Answer:Belgrade fell again in October 1915, as the Bulgarians made their way into Niš and Kosovo. All looked lost for the Serbs, so the decision was made to retreat through the mountains of Montenegro and Albania in the hope of making it to Greece, the nearest stronghold of Serbia's allies.
Explanation:
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