To become a U.S. citizen, you need to be at least 18 years. You should have lived in the U.S. for at least 5 years.(these steps are for naturalization). So the answer is probably D. Hope i helped.
Answer:
2. how did i, and the world, come to be here
Explanation:
Explanation:
Modern period table has 18 groups and 7 periods.
Hope it will help :)
