http://www.factmonster.com/dk/encyclopedia/early-americans.html

I read the some post .The first Americans cross ice bridge from Siberia to Alaska in ice age.The first Americans often are hunters, gatherers, and fishermen. by the Mississippi River first americans are make the city.The largest was Cahokia there are 10000 people live.

http://www.native-languages.org/houses.htm

I read all the post. There are lot of different types of Indian houses in North America. The Indians have different house becouset their lifestyle and climate are different and the temperatures is 120 degrees .