Answer:
Italian astronomer Galileo Galilei provided a number of scientific insights that laid the foundation for future scientists. His investigation of the laws of motion and improvements on the telescope helped further the understanding of the world and universe around him.
Explanation:
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Answer: Poland
Explanation:
Thaddeus Kosciusko and Kazimierz Pulaski were from Poland, Johan DeKalb was from Bavaria, Friedrich Wilhelm von Steuben was from Prussia, and Louis Lebeque DuPortail, like Lafayette, was from France.