Because he was a communist dictator
It would be "Columbus" whose request to sail to the New World <span>Portugal denied, since most Portuguese officials thought the journey would be too expensive and foolish.
(Please crown I'm trying to get to 5 not trying to sound needy lol)</span>
The correct answer is D.
The My Lai Massacre occured in 1968, but did cause outrage among US citizens since the US killed unarmed Vietnamese citizens.
The Bay of Pigs Invasion occured in 1961.
The Gulf of Tonkin Resolution was signed in 1964.
This shows that the only correct answer based on the time frame provided in the question is D. This invasion of Cambodia lead to several different protests across the country, including the famous Kent State protest.