Why did the Iran-Contra affair become a scandal when the information on the events were told to the public?

Defined the word imperialism. what is your opinion: should the us engage in imperialism? under what circumstances? offer a brief affective argument against the opinion that you hold.

Why might the greeck city states have an advantage over the persians

What rights are guaranteed in the 13th,14th, and 15th amendments. why was it necessary to change the constitution to guarantee these rights?