reagan doctrines nicaragua angola russia and afghanistan

Need information and references about the Reagan Doctrines in reguards to the following countries:

Nicaragua, Angola, Russia and Afghanistan. I need to know how they were applied and it’s counterinsurgency nature.

Please do not respond if you have no expereince in what i’m asking. I need 2 pages with references, and cites. All “ORIGINAL” work as it will be checked through 3 plagriasm checkers. I cannot emphasize this enough. I need by due dated requested with no exceptiion of a extenion. Please read carefully before submitting handshake.