Gorbachev's Reforms in the 1980s Relied on the Policies of Glasnost

Gorbachev's reforms in the 1980s relied on the policies of glasnost and perestroika, or:

A) political openness and economic restructuring.
B) demilitarization and federalism.
C) multiparty elections and constitutional reform.
D) economic reform and increased competition with the West.
E) increased military spending and increased hostility toward the United States.