Which describes an achievement of emperor yangdi that unite china? a. he made marco polo an honored guest at the imperial court in beijing. b. he introduced terraced farming to produce more food. c. he designed a plan for a series of interconnecting canals. d. he built the great wall of china to keep out invading mongol hordes.

The 18th amendment banned the selling of alcohol and contributed to organized crime. true or false

The impeachment of president clinton by the u.s. house of representatives occurred with a. virtually all republicans supporting it, while virtually all democrats opposed it b. about two-thirds of republicans supporting it and about two-thirds of democrats opposing it c. half of all democrats and half of all republicans supporting it, while half of all democrats and half of all republicans opposed it d. virtually all democrats supporting it, while virtually all republicans opposed it

When was the us construction written