South Africa is the answer
The significance of the 1983 Department of Education report "A Nation at Risk" was it warned that students were scoring lower and lower on standardized tests. The correct answer is D.
He determined that the laws of physics are the same for all non-accelerating observers, and that the speed of light in a vacuum was independent of the motion of all observers.
The sentence that shows the importance of Daniel Ellsberg in the Vietnam war was that he compiled papers that revealed information about the government's role in the war effort.
<h3>What was the Vietnam war?</h3>
This was a war that was fought by the North and the south of Vietnam. The Vietnam war was fought due to the fact that the South wanted to secede.
The reason for the secession was due to the fact that they did not want to be a communist state.
Daniel was a military analyst and also a researcher that helped to expose the role of the United States in the war.
Read more on the Vietnam war here:brainly.com/question/182779
Thomas “Stonewall” Jackson