What global spatial patterns are apparent in the distribution of ethnic groups? how has geography both shaped and been influenced by that distribution?

The global level, patterns can be seen in the distribution of ethnic groups on certain continents. 

Where are the statements so i can ?

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.