Why are fair rules so important in a market economy?

Why might it be important to know a currency’s exchange rate

Four score and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. —"the gettysburg address," abraham lincoln which quotation correctly uses an ellipsis to shorten lincoln’s words?

Enter the word you received when you completed time line french revolution part 1