The founders distrusted factions with differing political views warning that they could have harmful effects. What are some ways that a system with two opposing parties could be harmful to progress in the United States

Two-party systems have been criticized for downplaying alternative views, not being as competitive, putting a damper on debate within a nation, and encouraging voter apathy since there is a perception of fewer choices

explanation:

cause they can

a system of cooperative federalism emerged, as the powers of the federal government expanded.