In $1950,$ the American Political Science Association put out a report stating that

Multiple Choice

our political parties were not polarized enough and thus we tended to not be able to agree on specific policy objectives.

our political parties were very polarized and thus voters had a hard time finding moderate candidates.

our political parties were not distinct enough and we needed to create a multiparty system in order to meet the needs of the various voters.

our political parties were not distinct enough from each other, and thus made it difficult for political decision making because there was not clear choice.