The first crusade can be described as

It was the first of a series of religious wars initiated, supported, and sometimes directed by the Latin Church in the medieval period.

Explanation:

Just to sum it up! :)

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.