Answer:
It probably hasn't happened because the theory behind Marxism is wrong. A government can't control the economy efficiently enough for it ever to work well enough for communism to be practical. That's why there are almost no communist countries left today.
According to Lincoln, the South had rebelled, not seceded.
Even though the Confederate States declared their independence from the US and formed their own country/government, Lincoln never formally recognized the Confederacy as an independent nation. This is why her refers to the war as the Civil War, showing that this is a war between two members of the same country.
I believe it is called a Community
The amendment would be the 21st im thinking.
