The silk road was first used a. during the yuan dynasty b. under mongol rule c. during the han dynasty d. over 9,000 years ago

Suggest 3 different reasons why there is an ageing population in the uk .

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)

Which of the following best describes the circumstance under which countries block the importation of certain products into their country? a. importation blockade b.trade barrier c.trade inhibitor d. domestic protection act