The answer in this question is D
For less complication like these people post here you are "The United States saw the Ngo Dinh Diem was alienating South Vietnamese citizens."
It refers to communities that are planned, built, or modified to promote sustainable(able to be maintained at a certain rate or level.) living. Sustainable communities tend to focus on environmental and economic sustainability, urban infrastructure, social equity, and municipal government.
I believe the answer is D. MlK was fatally shot while standing on his hotel patio after giving a speech.
Slavery was introduced wind a Dutch ship traded African slaves for food in 1619. When White settlers were unable to find cheap labour they turn to the slaves imported from Africa.
