The answer is B - it curtailed free enterprise.
Answer:The Russian Revolution took place in 1917, during the final phase of World War I. It removed Russia from the war and brought about the transformation of the Russian Empire into the Union of Soviet Socialist Republics (USSR), replacing Russia's traditional monarchy with the world's first Communist state.
It about 25% of southern white families owned slave in the year 1840. So the answer in this question is D. 25% The southern white families become slave or owned slaves by the rich and powerful people in the southern in the year 1840. The cruel world in that year in the southern, and they think it become hell because of the slavery they felt.
The problem ask to choose among the following choices that could be points on the unit circle and the best answer among these choice is letter C. I hope you are satisfied with my answer and feel free to ask for more if you have clarification and further questions. Have a nice day