Which of the following best describes the United States? Please help

If there were no system of checks and balance,the process of government would eventually fall apart. do you agree with this opinion? why or why not?

What does a most-favored-nation (mfn) status mean? a country pays the same tariffs as those paid by all mfn countries. a country has a special exemption from all tariffs in the united states. a country has special licensing agreements with u.s. corporations. a country is exempt from product standards that make it expensive for goods to be imported.

Which of these is a constitutional duty of the lieutenant governor of the state of georgia