What is the question exactly asking
The Union of Soviet Socialist Republics later dissolved into fifteen independent countries in 1991.Three of the them, Estonia, Latvia and Lithuania declared their independence even before the demise of USSR in September 1991. The basic on USSR countries are here!
It was the Storming of Bastille.
This essay is pretty good.
Unfair taxes the act had put really bad taxes after the british from the tea party dropped it in the river if thats what you mean i hope this info is useful