Answer: D.
Explanation: The warlord era contributed to the start of the Chinese Civil War because it frustrated the youth and motivated them to embrace the ideas of communism and nationalism. The split between these ideologies as well as the turmoil wrought by the warlords pushed the country to a Civil War.
The history of the British Army<span> spans over three and a half centuries since its founding in 1660 .... It </span>did <span>this by making the standing army conditional on an annually renewed act of parliament. To this day .... For the </span>British Army<span>, the </span>American<span> War of Independence had its origins in the military occupation of Boston in 1768.
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Control of the Bosporus and Dardanelles straits was a strategic objective in both World War I and World War II because these straits provide access from the Black Sea to the Mediterranean Sea