What does the us government citizens play a key role in ?

How does the pyramid of giza include art, science, math, or a need for infrastructure?

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.

Compare the roles of the three countries of the central powers.