Final answer:
The 14th amendment has been used to limit state powers by protecting citizens' rights and prohibiting voter disenfranchisement.
Step-by-step explanation:
The 14th amendment has been used by the courts to limit state powers by prohibiting states from infringing upon the rights of their citizens, prohibiting discriminatory practices to disenfranchise voters. It does not deprive state legislatures of the power to select senators for Congress or outlaw the production and distribution of alcohol nationwide.
Learn more about 14th amendment and limiting state powers