Which reason for trade barriers is being used when the US refuses to trade with another country because they use child labor to manufacture goods

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”

it provided for equal trade rights among nations in china.