What does a system of checks and balances due for the three branches of government

Based on the information given and the gauges which process or processes have their alarm light on?

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.

Who were the 3 main opponents of the new deal and what were their concerns