What is the most important reason people trade? A. Both parties believe they will benefit. B. People usually are too lazy to make things themselves. C. Trading gives people something to do. D. It is the best way to keep the flow of money going.

Which of these was a cause of the war of 1812? a) french troops would not leave canada. b) spanish forces threatened to invade florida. c) british ships cut off american trade to europe. d) king george iii supported the confederate states.

Which of the following was used only once, to ratify the 21st amendment (repealing prohibition)? a.three-fourths of both houses of congress. b.three-fourths of the state legislature approved it. c.two-thirds of the state legislature approved it. d.ratifying conventions in three-fourths of the states approve it.

Who introduced arabic numerals to italy, which make bookkeeping possible? a. brunelleschi b. cosimo de medici c. fibonacci d. gregory xi e. giovanni de bicci de medici