Answer:
Nativism is the political position of preserving status for certain established inhabitants of a nation as compared to claims of newcomers or immigrants. It is characterized by opposition to immigration based on fears that the immigrants will distort or spoil existing cultural values.
We still think that direct exposure to filth/decay can give us diseases and it’s probably true.
Here's a look at weapons inspections in Iraq from 1991 to 2007. ... elimination of Iraq's weapons of mass destruction and some ballistic missiles ... April 3, 1991 - The United Nations passes Security Council Resolution 687. ... September 6, 1991 - Iraq blocks the use of helicopters by UNSCOM teams.