What Common Set of Circumstances Contributed to the Abolition of Slavery

Multiple Choice

What common set of circumstances contributed to the abolition of slavery in the Atlantic world and the end of serfdom in Russia in the nineteenth century?

A) Demands for suffrage,labor shortages,and pacifist sentiments
B) Fear of rebellion,economic inefficiency,and moral concerns
C) Campaigns for civil rights,Marxist ideas,and nativist feelings
D) Spread of imperialism,economic protectionism,and racist ideas