Which problem did immigrants face in the late 1800

What is the main idea of this excerpt? 1.1.3

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.

What is one way that the congress of vienna changed the map of europe?