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 

5elections for representatives to the u.s. house of representatives are held every two years. elections take place in november, and there is usually one republican candidate and one democratic candidate on the ballot. how are candidates chosen to appear on the ballot?

How has the immigration of the 1990s affected the social and economic life of the united states?

Which conflict is often referred to as the first "televised war"? a) gulf war b) korean war c) vietnam war d) world war ii