One important difference between the economic systems of the north and the south in the period 1790-1840 was Industrialization and Immigration. Basically, the slave economy of the south supported agriculture, while the free society in the North facilitated industrialization. ( hope that helped have a good day )
Yes I suppose they could pass such a law as long as all the branches agree and emergencies are exempt.
It is B. However, it soon becomes D by force.
~ThePirc
Lots of trade was done through the silk road. this route went through east Asia and Western Europe
http://historyworld.net/wrldhis/PlainTextHistoriesResponsive.asp?ParagraphID=gpy#c1920