:confused: what great geological event explains the formation of the great lakes,the st.lawerence river system, the columbis-snake river system, and great salt lake?

Put these in order!

The wealthy Aztec civilization falls to Cortes.

Portuguese navigators sail down the west coast of africa.

The first human inhabitants cross into NOrth America from Siberia across a temporary land bridge.

The once-strong Iroquois confederacy divides and collapses.

Spanish conquerors move into the Rio Grand valley of New Mexico.

Please help! Thanks:D

Identification
Suply the correct identification for each numbered description

1. Extended perod when glaciers covered most of the North American continent.

2. Staple crop that formed the economic foundation of Indian civilization.

3. Important Mississippian culture site, near present East St.Louis, Illinois

4. First European nation to send explorers around the west coast of Africa.

5. Flourishing West African kingdom that had its capital and university at Timbuktu.

6. Mistaken term that European explorers gave to American lands because of false bielf that they were off the coast of asian.

7. Animal introduced by Europeans that transformed the Indian way of life on the Great Plains.

8. Among the major European diseases that devastated Native American populations after 1492(name two)

9. Disease originating in Americans that was transmitted to Europeans after 1492

10. Treaty that secured Spanish title to lands in Americas by dividing them with Portugal.

11. Wealthy capital of the Aztec empire.

12. Person of mixed European and Indian ancestry.

13. Indian uprising in New Mexicao caused by Spanish efforts to suppress Indian religion.

14. Indian people of the Rio Grande Valley who were cruelly oppressed by the Spanish conquerors.

Please help me I'm so confused! Thank you:o

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