Actually every single one is correct, A<B<C they all are factors in the decline of Sumer.
Answer:
It broke apart
Explanation:
Starting in 1989, the USSR started to suffer from extreme political instability. This was due to restrictions on censorship and the economy. Around this period is when the SSRss, (Soviet Socialist Republics, essentially states) started to break away. This culminated in 1991 when the entire Union collapsed and it became a Democracy.
Answer:
The Treaty of Paris was signed by U.S. and British Representatives on September 3, 1783, ending the War of the American Revolution. Based on a1782 preliminary treaty, the agreement recognized U.S. independence and granted the U.S. significant western territory.