Final answer:
The liberal progressive discipline highlights social equality, economic and environmental justice, and advocates for government-led social action to achieve these goals.
Step-by-step explanation:
The liberal progressive discipline category emphasizes social equality, economic and environmental justice, and the belief that government-led collective social action is an effective means to achieve these aims. Progressives argue for a more active government role in society, contrasting with conservative ideologies that prioritize traditional values and minimal government intervention. The progressive discipline is part of a broader progressive movement that has deeply influenced American political thought, highlighting the importance of social reforms and government regulations to promote efficiency and justice within society.