Answer:
Gorbachev's Glasnost and Perestroika impacted negatively the sovereignty of Eastern European Satellite.
(Communism starts to fall - states become independent.)
Step-by-step explanation:
( The Perestroika allowed certain freedoms that the government had repressed in previous times. This is also what happened to Eastern European Satellite states, Gorbachev provided them liberties and they used them to change their system because the Perestroika damaged their economies and conditions of life. Leading to the collapse of the Soviet Union. )
Hope this helps you!