Trade barriers are a) physical features that stop or restrict trade. b) political boundaries that stop or restrict trade. c) anything that slows down or prevents trade between countries.

the act of deciding on matters of the economy. economic decision making is routinely conducted by finance ministers, economic advisors, heads of major central banks and business leaders and can have profound effects on a major economy.

the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj