Publications such as the lancet, nature, and american economic review are considered
a. trade journals.
b. scholarly sources.
c. popular sources.
d. reference works.

answer is b.shrapnel

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.