James madison warned of factions (political divisions), in federalist 10, and this president issued his own warning of political parties in his farewell address.
a. jefferson
c. adams
b. washington
d. monroe

The answer is Washington.  He warned that political parties might put their own interest above the welfare of the country. He stressed unity and warned that any group must never put their own priorities over the government.  He added that no matter who they are, they are all Americans.

radiant energy is a form of kinetic energy only.(a)

elastic potential energy