Differentiate between nationalism and islamism

Restricting immigrants from entering a country may be based on what belief?  

How does sociology account for the cause of drug and alcohol addiction?

Initially, northerners did not want missouri to be included in the union because 1.) maine would not be allowed to enter the union as a free state 2.) missouri wanted to enter the union as a free state 3.) missouri wanted to enter the union as a slave state 4.) maine would not be allowed to enter the union as a slave state