Which answer choice correctly describes how the US Constitution fixed a problem or problems of the Articles of Confederation? A Under the Constitution, the people could directly elect their representatives in the US Senate. B Under the Constitution, the state governments were granted more control over immigration and trade. C Under the Constitution, the federal government had the power to enforce laws but was checked by Congress and the court system. D Under the Constitution, political candidates must be a member of a political party so that they represent the interests of the people.