It guarantees people's rights and the government cannot change it.
The president nominates federal judges, ambassadors, and other members of the executive branch, but this authority is checked by the <u>senate</u>, which must give its "advice and consent" to these nominees.
<u>Explanation</u>:
The congress in the United States of America is divided into two chambers. The upper chamber is served by senates and the House of Representatives serve the lower chamber.
The chamber of Senate is located in the north wing of the Capitol Building in Washington. Senate is responsible for approving laws and appointing federal officials like Supreme Court Justices.
There are hundred senators in the congress of United States. The senate is created to protect the minority opinion in the government and rights of the states.
If I understand correctly that you're speaking of France, then the formation of National Assembly has effectively brought an end to the Estates-General.
Before, all three states (the Estates-General) needed to be taken into account, but the National Assembly (mostly composed of the third state, the common people) later was the only organisation needed,abolishing the need for the other estates to congregate
Is they had too much power thwart would be able to pass laws that aren't beneficial to the states or demand high taxes and it will eventually become a dictatorship.