Tres cambios ocurridos en la civilizacion indigena tras el encuentro de dos mundos

i think it would be a

uncle sam would be tossing and turning in his grave : *)

your answer will most likely be a.

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.