Which Chinese empire opened the Silk Road? How did the empire do it

Brainliesttt !me : ) describe the event : increase in islamic extremis in the middle east

Explain how stock market speculation contributed to the great depression.

Which situation would most likely be checked by other branches of the government? a) the judiciary tries to declare a state of emergency. b) the president tries to declare himself commander in chief. eliminate c) the supreme court tries to declare a law unconstitutional. d) the legislative branch tries to declare war on another country.