What was a main reason for the crusades?

to recapture the holy land from the muslims
to gain more trade routes to the east
to find an all-water route to the east

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.