De qué manera consideras que hacían los seres humanos de la antigüedad para satisfacer sus necesidades.

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.

international economic development agencies harm poorer nations by encouraging them to serve as exporters to wealthier nations.

newly independent countries of the former ussr