What is Ptolemaic system

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

Which of the following allowed the government to stop a foreigner from becoming a citizen, presidential power to throw anyone he wanted out of the u.s. and that it was a crime to criticize the government? the alien and sedition act the xyz affair the 12th amendment marbury v madison

Which was the cause of the rise of the persian empire?