Which event was the main cause of south carolina's secession from the united states in 1860

What is a common factor all nonprofit businesses share? they pay no income tax.they have no capital.they are national in scope.they perform charitable acts.

Aryans believed that the most important thing in life was warfare. if this statement is true, which of the following facts best supports it?

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true.b) some other scientific experts read the papers and provide quality control by eliminating many mistakes.c) an editor reads the papers, to make sure that all the semicolons are in the correct places.d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog.e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.