Answer:
Filibuster
Explanation:
Unified party control means a single party being in charge of the White House and the two legislative chambers.
Filibuster is common with the legislators. It’s often used as a delay tactics by speaking extensively about a subject topic thereby obstructing progress in the legislative chamber without technically infringing in the laid down processes of the chamber.
Senate filibuster allows a senator on the floor
1. Prevent/delay action on a particular bill.
2.Prevent/delay other business from being conducted.
This is the reason why some laws aren’t passed despite having a unified party control.