What was the reason for the colombian exchange

In in 1958, the aarp was organized to promote a mandatory retirement age of 65health insurance for retired americansactivism for native americansemployment opportunities for the disabled

For in this unit, you read about transitions of power and the formation of newly independent nations in africa, asia, the americas, and the middle east. some of these transitions were peaceful, while others caused long-term instability. why do you think some countries were more successful than others with political transitions? what do you think were the biggest challenges facing newly independent countries? would it have been possible for leaders to prevent these problems before they happened? why or why not?

Drag each label to the correct location in the table. match each event with the territory conquered by alexander the great.