What major political arguments did montesquieu present in the spirit of laws?

The argument he presented (which he called the "separation of powers" was about the structure of the government: there should be three branches.The legislative branch made the laws,the executive branch enforced the law,and the judicial branch interpreted the laws.He wanted the structure to be this way so that power would be spread evenly.

Ithink the answer is b, monopoly

The social difference that caused sectionalism in the antebellum era would be c.)  north was disorganized. the north had slow population growth, where as the south had mass immigration.hope this really mark