Which event marked the end of cultural and economic unity along the silk road? a. the rise of the byzantine empire b. the fall of the mongol empire c. the children's crusade d. the battle of hastings

How did the northern u.s. change during the 19th century? select the best choice from the answers provided. a. it became more industrial. b. it became more agrarian. c. it became less populated. d. it became less diverse

The internal combustion engine was an innovation of

Before world war 1 started, austria-hungry was wary of (spain or serbia) because of border disputes