It was notable as a period when there was little teamwork between the national and state governments. The idea of ​​dual federalism is an initiative that implied that national and state governments were equal collaborators with detached and distinct subjects of power. Despite the policy of implied powers, the federal or state government was limited in its authority to the powers set forth in the Constitution. There was light collaboration between national and state governments and occasional concerns about the type of combination and the doctrine of nullification and state sovereignty. The states' rights argument and the type of unification, whether the Constitution forms a league of sovereign states or an indivisible union, was a major topic in the Civil War. The era takes its name from the political party in power at the time, considered a strong central government. Its leaders included George W., Alexander H., and John A. who were rejected by the Anti-Federalists or Democratic-Republicans, including Thomas Jefferson, who fought against a strong central government and for a government-centered approach. 'State.