Why did George Washington, in his "Farewell Address," suggest that this was a sign of a breakdown in society? In other words, what was the major problem with political parties according to George Washington?

Washington warns the people that political factions may seek to obstruct the execution of the laws created by the government or to prevent the branches of government from enacting the powers provided them by the constitution.

Explanation:

The spirit of parity serves to distract the public councils and enfeeble the public administration. It agitates the community with ill-founded jealousies and false alarms, kindles the animosity of one side against another, leading to occasional riots and insurrection ...