What were the major effects of a dust storm?

they can kill people and destroy houses

Explanation:

b) race riots in several cities

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.