What were the principle sources of outrage that fueled the protests against the vietnam war?
(select all that apply.)
the violence and murder that occurred at the altamont music festival
the killings of four kent state students by national guardsmen
television shows with antiwar content aimed at the youth market
nightly network television news coverage of battles and casualties

The killings of four Kent State students by National Guardsmen.

Television shows with antiwar content aimed at the youth market.

Nightly network television news coverage of battles and casualties.

Explanation:

These are all important factors that contributed to the protests against the Vietnam War. The killings of four students at Kent State highlighted the importance of the right to peaceful protesting and the dangers of the excess of violence. Moreover, television played a fundamental role, as it showed footage of the battles and casualties of the war, allowing people to experience the horrors of the war in a more realistic way.

letter d is correct.

during the ming dynasty