Who introduced direct democracy? the Vikings

the Greek city-state of Athens

the Romans

the Zhang dynasty

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

you answered my friends question just to get the coins you didn't even give a valid response.

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.