How were rivers important to the first civilization

thats how most of them got there supplies

Explanation:

answer is :

many churches split during the movement.

new religions grew in popularity.

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.