In the American constitutional system, The legislative branch makes up the law, The executive branch executes the law, and the judicial branch interprets the law. how does this system support the separation of powers?

Aeach branch has separate tasks, Congress grants power based on those tasks, and power is not shared between branches.

Beach branch's role is separate,power is shared between branches, and the president can challenge a branch's decision

Ceach branch affects the other, power is shared, and one branch can be challenged by another branch.