During Sherman's march to the sea he burned and destroyed a lot of Georgia's buildings and farmlands so they would be out of food and materials and would have to give up on the war in order to rebuild
It put alot of debt and restrictions to the german country and their people, stripped them of their territories and made them pay for war damages across europe while they were dealing with an economical collapse of their own within. as you can imagine this was impossible to get out of plus having to deal with an unbelievable homeless and jobless rate in germany. This all set the stage for Adolf Hitler to power in germany, and with the german people's support.
It depends what it interacts with but it makes bubbles for a chemical or physical change happening to it
Answer:
The revolutions of 1989 resulted in the end of Communist rule in Central and Eastern Europe and beyond.
Hope that helps