What effect did the use of credit have on the economy in the 1920s?

Which statement best describes a contribution of the works of nicolas copernicus and galileo galilei?

President eisenhowers foreign policy stressed peace, threatened massive retaliation for attacks and what

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.