The correct answer is C) A naturalized citizen must swear allegiance to the U.S. government.
The statement about citizenship that is true is the following: "A naturalized citizen must swear allegiance to the U.S. government."
If people were not born in the United States, they can get citizenship by naturalization. There are some requirements to become a citizen of the United States such as having your Green Card for at least five years, be 18 years old or more, be a person of good moral character, and be able to read, write, and speak English. If you become a US citizen, you must swear allegiance to the U.S. government.
Before the slave trade, African culture was agricultural and advanced. The African slave trade started when the leaders of European countries wanted to find new land. Slavery started for many reasons like money, greed, and high demand for labor.