Which of the following statements is true regarding the Song dynasty? A. The Song dynasty was a period of great advancement in farming, the economy, and infrastructure.
B. Members of the upper class were expected to focus on warfare only.
C. The Song dynasty overthrew the Tang dynasty.
D. Song dynasty China was a society without separate economic classes.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

i honesty don't know, good luck tho dawg

b - those executed came from every social and economic class