It required aliens to legally live in the United States for at least 14 years before they could become citizens.
Explanation:
The Naturalization Act was made by congress for foreign-born individuals to provide them U.S. citizenship. The criteria to become the citizen of U.S. was that aliens or foreign residence has to legally live in the United States for at least 14 years and only after 14 years, they will become naturalized citizens.
This act was important to improve the earning power of immigrants.
