Criteria for Naturalization:

- Be at least 18 years old.
- Live permanently in the United States for at least 5 years (with a green card), or for 3 years if married to an American citizen.
- Have lived in the United States for at least 30 months of those 5 years.
- Be able to read and speak English.
- Be of good moral character.

What other standard must people meet if they wish to become naturalized American citizens?

A. Understand the principles of American government
B. Agree to serve in the military
C. Give up all other citizenship
D. Prove a minimum income

The criteria for naturalization include various requirements such as age, residency, language proficiency, and moral character. In addition to these, individuals seeking naturalization must also demonstrate an understanding of American government principles.

Explanation:

Criteria for Naturalization:

Be at least 18 years old
Live permanently in the United States for at least 5 years (with a green card), or for 3 if married to an American citizen
Have lived in the United States for at least 30 months of those 5 years
Be able to read and speak English
Be of good moral character

Additional standard:

Understand the principles of American government is another criterion that individuals must meet if they wish to become naturalized American citizens.

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