Answer:
Ottoman leaders feared losing parts of the empire to ambitious neighbors
Explanation:
The Armenian genocide happened in several campaigns. The main reason for it was that the Ottomans wanted to eradicate them as historical enemies and they didn't wanted to risk having an ethnic group that may cause troubles in the future. There were no problems with the two groups in that period of time, so it came very surprising that the Ottomans chose that moment to do such a horrific act. The Armenians got attacked, and systematically killed, dispersed throughout the country, put to live in places where the life is extremely hard, separated from the their families, and even taking the babies away and separate them from their mothers. The end result has been a decimated Armenian population, with an estimated 1.5 million people ending up dead.
The answer is D. A Supreme court Decision to move the Cherokee west of the Mississippi River. Here is text from Wikipedia,
"Indian removal was a genocide in the 19th century whereby Native Americans were forced by the United States government to leave their ancestral homelands in the eastern United States to lands west of the Mississippi River, specifically to a designated Indian Territory (roughly, modern Oklahoma)."
Slavery was why the north and south were fighting, so it would be slavery
Balance of power between the federal and state governments
Hope this helped :)
C. west africa is the correct answer