7) in the first half of the 20th century, literacy tests, poll taxes, and grandfather clauses were passed by the southern states in order to

i think they came to washington to protest

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.