Answer:
The Legislature.
The president.
The judiciary.
all are sovereign in their domain but with "checks and balances"
Explanation:
Constitution of the US described the separation of powers of all three branches.
1. The Legislature: Legislature makes laws and no other branch can intervene in its work. However, when they pass any Bill It needs to get it to pass by the president here checks and balances play a vital role.
2. The President: Is the real executive of the state, the chief of armed forces, look into the matter related to foreign policies, pass the national budget.
3. The judiciary: The Supreme court of the US is free from any intervention from any branch.
NOTE: All the above mention branches are work by checks and balances no one can pass or overpass laws without each other consent otherwise it will consider as unconstitutional.
