Which system of government is not defined by a geographic distribution of power?

a. democracy

b. confederate

c. federal

d. unitary

Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

This term refers to the number of people per unit area (usually a kilometer or a mile). this could refer to the number of people per square mile in a city, a county, a province, a state, or a nation.

Why was frederick douglass encouraged by the dred scott decision?