Conflicts where the united states and the soviet union had competing interests
Answer:
Tools. Paleolithic humans made tools of stone, bone (primarily deer), and wood. The early paleolithic hominins, Australopithecus, were the first users of stone tools.
An example of a primary source is George Washington’s diary. Another primary source would be a letter written home by a soldier in the Revolutionary War. Another example of a primary source is Einstein’s lab notes.
The answer to your question is D.
