Geography help? Hw help..! (Crossing to the Americas)?

Question

Ok i need help with a few questions. I have a geography test soon and i need some help with my questions to study for.

1. Write two theories of how ancient people reached the Americas?

2. Achievements of the Olmec and Maya culture, The Hohokam and anasazi culture achievments, the adena, hopewell and mississipian achievements?

Answer 1

1. a. Land bridge across the Bering Strait (Asia > Alaska)

    b. Glacial drift from Canada

2. Olmec and Maya: Soccer, virgin sacrifice, chocolate, coffee, cocaine, gold.

Answer 2

You can research the first question here:

http://www.fieldmuseum.org/ancientameric...

For the second, just Google each individual culture.