Demography

The study of how populations have lived and changed througout history to the present day

what exposed Beringia, the wide bridge of land between Asia and North America?

So much water was locked up in glaciers that the level of the oceans dropped an estimated 300 feet

Think about American Indian groups, what is the cultural region made of?

made up of people who share a similar language and way of life.

why did the Northwest coast hunters give the harpoon a barbed bone tip and fasten a long rope to the other end?

the barbed tip held firmly in the seal's hide, and the rope kept hunters from losing either the weapon or their prey.

Women of the Great Plains sewed man bison hides together and fastened the skins around a tall cone of poles. what is the resulting shelters name and what does the word mean?

The shelter is called a TEEPEE a plains word for dwelling

Why did the Mesa people of the Southwest build their houses out of bricks of adobe, or sun-baked clay?

They had no trees, and thick adobe walls held off the summer heat and winder cold.

Name the transfer of people, plants, animals and diseases back and forth across the Atlantic Ocean that Columbus's Voyages set off. What is it called?

The Columbus exchange

Spanish settlers first forced American Indians to work for them. Why did they then begin to enslave Africans?

Native people were dying in great numbers from European diseases, so the settlers looked for a new workforce.

How did French dealings with American Indians differ from Spanish dealings with them?