What was the most significant change marco polo witnessed on his travels?

Which of the following was true of american workers during the harding administration? a.) few joined unions because there were no unions to join. b.) many joined unions because of fordism. c.) few joined unions because the economy was strong. d.) many joined unions because of unfair labor laws.

Pl did european countries want to find a shorter route to the far east? a. costs would be lower. b. they could take more trips. c. the route they used was rough and dangerous. d. sailors did not want to be away from home so long.

West africans received salt from who?