How did foreign changes present new challenges for the united states?

What were some of the most important native items adopted by europeans ? what impact did they have on european life ?

Me and youin the summer of 1804, after meeting native americans for the first time, lewis and clark reached the eastern edge of

Match each person with his contribution. aristotle socrates eratosthenes hippocrates he studied the causes of illnesses in search of cures. he created a teaching method that involved asking questions. he determined that earth was round. he educated alexander the great.