How long do you have to be a U. S. citizen to be elected?|

To apply for U.S. citizenship, you must have physically lived in the United States for at least half of five years (more specifically, 913 days, or roughly 2.5 years) or at least half of three years (more specifically, 548 days, or a little over 1.5 years) if you're married to a U.S. citizen.

Explanation:

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

is it multiple choice