What was the effect of the U. S. Supreme Court’s Citizens United ruling?

The Court's ruling effectively freed corporations and unions to spend money both on "electioneering communications" and to directly advocate for the election or defeat of candidates (although not to contribute directly to candidates or political parties).

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.