Which of the Following Statements Best Describes North America's Population

Which of the following statements best describes North America's population settlement pattern?

A) Settlement is evenly distributed across the region.
B) Settlement follows waterways and inland lakes.
C) Settlement is strongly centered on large cities with more thinly settled areas in between.
D) Settlement is heavier in the western half of the region.
E) Settlement is heavier in the southern half of the United States and Canada than in the north.