What action did Congress take that it had been unable to do under the
Articles of Confederation?

Congress is Unable to Control Commerce Between America and Foreign Nations. Under the Articles of Confederation, Congress lacked the authority to regulate commerce, making it unable to protect or standardize trade between foreign nations and the various states.

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.