Aportion of land can best be described as a
a.
state
b.
territory
c.
boundary
d.
physical feature
2)after the united states purchased the louisiana territory, america’s western boundary shifted to the which is a(n) boundary.
a.
mississippi river . . visible
b.
mississippi river . . political
c.
rocky mountains . . physical
d.
rocky mountains . . imaginary
3)political issues that may lead to the creation of political boundaries include
a.
shifts of riverbeds
b.
extreme climate changes
c.
conflicts between two neighboring groups
d.
trade agreements between existing countries