About how many american indians lived north of mexico in the 1400s? in what ways did american indian groups differ?

Which indo european tribe developed a strong warrior society and built an empire that was frequently invaded by those seeking fertile land

How did the technology of the late 1800s affect the growth of cities? select one: a. cities were able to expand outward because of additions to railroads. b. electric streetcars enabled the wealthy city dwellers to move to the first suburbs. c. advances in steel and metal technology allowed for the development of the skyscraper, which allowed cities to grow upwards. d. all of these are correct.

How did europeans and the introduction of european goods and ideas change native life ?