Under catherine the great, what items expanded or improved? a. expanded the russian empireb. freed the serfsc. improved the education systemd. encouraged greater diversity in russian architecture 

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.

Examine extracts from the bible which demonstrate the principal beliefs of christianity

Of the 8 territories that were brought under the flag of the united states by 1853, which on do you think was the most important addition to the growth of the united states? give 2 reasons.