What do marco polo, cheng he (zheng he), and ibn battuta have in common? a. they were all important figures during the reformation b. they were all crusaders c. they were all islamic leaders d. they were all global travelers

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.