Give an example of how people expressed themselves during the stone age.

just like you man, i personally think its either c or d

explanation:

but good luck with the test man

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.