<span>He told the Russian people that the coup was bad, advised all the people of Moscow against the coup, and openly supported Gorbachev.</span>
Loss of factory jobs led to less in the middle class or you needed to work a white collar job to be middle class.
Industrial jobs moved overseas leaving those working in factories without jobs. Middle class jobs no longer included factory work but rather service jobs many requiring college degrees.
During this era southerners were against letting slaves be free and many problems and disagreements came with this.
If Americans were aware of the repeal of England's Orders in Council, they may not have gone to war.
C) populism
For future reference: an easy way to remember the causes is to use the acronym MAIN (as in the MAIN causes) to remember that they are militarism, alliances, imperialism, and nationalism.
Hope this helps :)