D all of the above im sure of it
Answer:
Though Sputnik was a relatively simple satellite compared with the more complex machines to follow, its beeping signal from space galvanized the United States to enact reforms in science and engineering education so that the nation could regain technological ground it appeared to have lost to its Soviet rival.
Also US Feared that they created a space and weapons program.
Plz Mark Brainliest Thx and Peace...
<span>The Americans, because they kicked the British out of North America.
Hope this helps.
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Music was still underdeveloped due to various reasons. For example, there weren't that many instruments being used and music was mostly conducted vocally, with only a few types of instruments being used from time to time. Technological developments also obstructed this as Polyphony hadn't yet been discovered until later. Another thing was pressure from the church as there was a norm of what music should look like and be like and anyone who came up with the idea of making something differently was ostracized.