European nations established colonies in the New World because they were relying on an economic system known as mercantilism. Which of the following "rules of thumb" provides the best summary of the theory of mercantilism?A. it's best to import raw materials and export finished productsB. the bigger the population, the stronger the economyC. human labor is cheaper than raw materialsD. don't ever trade with nation's that are economic competitors

Consider the following invention from the american industrial era. cotton gin – a machine that removed seeds from short-staple cotton which option explains how this invention contributed to the role of the united states as an emerging world power? a. it was in high demand abroad, as many european nations had begun farming cotton. b. it led to the decline of slavery in the south, which enhanced america’s international reputation. c. it freed up many slaves to become factory workers in northern cities, which improved the economy. d. it increased production efficiency of a us cash crop that was in high demand in other nations.