Some argued that if the united states failed to expand its economy overseas select one:

a. the nation would be taken over by more powerful nations.

b. the united states would no longer have a frontier of its own for expansion.

c. the united states would decline just like the roman empire.

d. all of the above

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.