Which of the following most likely contributed to the rise of abolitionism in the United States and why?

a and b!

dfroos means which is a and b

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.