9th Amendment
The 9th amendment states the government can not expand power to take away rights. The Black Codes were an expansion of state rights which took away the freedman's rights as people.
A number of activities were taking place during the time when the Wealth of Nations was being published. Generally, the key even which was taking place during this time was the industrial revolution which was mainly taking place in most European countries.
England, Scotland, Wales, and Northern Ireland
The Congress strengthened the major powers against France.
The Congress restored a balance of power among European countries.