The invasion of which peoples ended the middle kingdom?

The idea of a progressive income tax, which is still a standard taxing policy in the u.s. today, was aggressively sought by the populist party. select the best answer from the choices provided true or false

Why did lincoln inform the confederacy that he would not e sending troops or weapons as food supplies were sent to fort sumter?

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.