(Q002) The first naturalization law in the United States in 1790 limited citizenship to "free white persons," which set up a relatively broad and inclusive definition of "whiteness." However, the definition of whiteness narrowed such that it applied only to Anglos by the early twentieth century. What social change led to this increasingly exclusive definition of whiteness

The surge in immigration of non-Anglo Europeans to the United States.

The surge in immigration of non-Anglo Europeans to the United States

Explanation:

The Naturalization Act of 1790 set the criteria for naturalization to two years of residency, proof of good moral character, and an oath to support the Constitution. It also mandated that one must "absolutely and entirely renounce and abjure all allegiance and fidelity to every foreign Prince, Potentate, State or Sovereignty.

this question is confusing, could you reword it?

explanation:

the united states constitution is the supreme law of the united states. the constitution, originally comprising seven articles, delineates the national frame of government. its first three articles embody the doctrine of the separation of powers, whereby the federal government is divided into three branches: the legislative, consisting of the bicameral congress; the executive, consisting of the president; and the judicial, consisting of the supreme court and other federal courts. articles four, five and six embody concepts of federalism, describing the rights and responsibilities of state governments, the states in relationship to the federal government, and the shared process of constitutional amendment. article seven establishes the procedure subsequently used by the thirteen states to ratify it. it is regarded as the oldest written and codified national constitution in force.