The correct answer is C. A system of weights and measure for trade.
This is because the Harappan civilization did not establish a uniform set of weights and measures for use in trade.
A peasent is someone who lives their and does not have much/no power and a communist has power.
humanism is a philosophical and ethical stance that emphasizes the value and agency of human beings, individually and collectively, and generally prefers critical thinking and evidence (rationalism and empiricism) over acceptance of dogma or superstition.
[hope this helped!]
