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

Answer 1

The list is

Be at least 18

Live permanently in the US for at least 5 years with a green card or 3 if married to an American citizen

Have lived in the US for at least 30 months of those 5 years

Be able to read and speak English

Be of good moral character

Understand the principles of American Government

If you don't have one of these then it's the answer you're looking for

Answer 2

understand the principles of american government

Answer 3

Be at least 18 years old

Answer 4

Be of good moral character- 7.1.2 Apex american citizenship

only if list is Be at least 18

1. Live permanently in the US for at least 5 years with a green card or 3 if married to an American citizen

2. Have lived in the US for at least 30 months of those 5 years

3. Be able to read and speak English

4. Understand the principles of American Government

5. ?