What was the reason for athenians' defeat in the pelonnesian war

Round arches allowed the romans to create structures with

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

How did government policies contribute to the beginning of the industrial revolution in great britain? o a. the british government passed laws that prevented any businesses outside the country from learning about manufacturing innovations. b. the british government established factories that produced industrial goods at low prices. c. the british government broke up joint stock companies to promote competition. d. the british government paid a large percentage of the wages earned by industrial workers.