here are 5 examples :
election of senators. direct election of senators by popular vote.
veto power. pres can veto congressional decisions while congress can override veto by 2/3 vote.
separation of power between branches. ...
congress bust declare war. ...
judicial review. ...
and here is a summary :
The President in the executive branch can veto a law, but the legislative branch can override that veto with enough votes. The legislative branch has the power to approve Presidential nominations, control the budget, and can impeach the President and remove him or her from office
HOPE THIS HELPS!
