Republicans are one of two dominant political parties in the United States, and the one that
cleaves to generally
rightist policies.
Gained support by convincing poor whites that poor blacks benefited disproportionately from aid programs, thus getting a bunch of plutocrats elected to office for the sole purpose of giving tax cuts to the rich.
Also
reflexively oppose every policy proposed by a liberal group on principle.
Dislikes government regulation of business. Would rather we have no way to stop businesses with evil intent from abusing us.