How did shi huangdi support a unified china? he standardized weights, measures, and currency. he fortified all seaports to prevent invasion. he built way stations on roads to let travelers rest. he founded the first chinese university.

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.