Among the Europeans who came to help the United States during the American Revolution, helped train the Continental army to develop it into a strong force

Friedrich Von Steuben

Explanation:

Friedrich Von Steuben was born in Madgeburg in present-day Germany. He was initially an officer in the Prussian army. However, between 1778 to 1783, he worked as Inspector General and a Major General of the Continental Army during the American Revolutionary War.

During this period he was widely known for his help to train the Patriot troops at Valley Forge and fine-tune the poor Continental Army into a more effective fighting force.

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

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donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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i googled "who was kolson johanson" and this is the answer i found.

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