I believe the answer is A but I'm not positive.
Answer:
Harpers Ferry Raid, (October 16–18, 1859), assault by an armed band of abolitionists led by John Brown on the federal armory located at Harpers Ferry, Virginia (now in West Virginia). It was the main precipitating incident to the American Civil War.
Explanation:
The impact that the spoils system had on the US Government was not good. It came into effect after Andrew Jackson awarded government positions to his supporters in the election of 1828. Many important positions in the government were held by nobodies who had little or no experience it politics.
Answer:
In the national popular vote, Polk beat Clay by fewer than 40,000 votes, a margin of 1.4%. James G. Birney of the anti-slavery Liberty Party won 2.3% of the vote. As President, Polk completed American annexation of Texas, which was the proximate cause of the Mexican–American War.
Explanation:
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Babylonia was a state in ancient Mesopotamia. The city of Babylon, whose ruins are located in present-day Iraq, was founded more than 4,000 years ago as a small port town on the Euphrates River. It grew into one of the largest cities of the ancient world under the rule of Hammurabi. Several centuries later, a new line of kings established a Neo-Babylonian Empire that spanned from the Persian Gulf to the Mediterranean Sea. During this period, Babylon became a city of beautiful and lavish buildings. Biblical and archaeological evidence point toward the forced exile of thousands of Jews to Babylon around this time.