In effect, the third Estate was that of the peasents, while the other two estates represented the clergy and the other nobility, and therefore the absolute monarchy responsible for all this, together with the simbols of the oppression, such as the "Bastille" which was a jail in Paris.
The expansion of railroads created more ways for things such as general goods to be shipped elsewhere to buyers or companies. (Hope this helps a bit, sorry for such a short answer.)
North korea was in a war with south korea
