How does history explain population distribution today

History is a useful tool to understand why population distibutes in a certain territory based on historical records of population growth and distribution.

Explanation:

History records all of humans events through time; It also includes records of population in different cities. Records can be used in conjuction with information of the historical data during those dates to understand why population changed in certain way from the past to modern days and also estimate the evolution of population in size and spread.  

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.