explain how the author of "the light at the end of the publishing tunnel" contrast the past with the present

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace

Me and youin the summer of 1804, after meeting native americans for the first time, lewis and clark reached the eastern edge of

Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by o a. region b. culture c. period d. theme