In federalism, the powers and policy assignments of different levels of government are like a marble cake, with mingled responsibilities and blurred distinctions between layers of government.

first second and third

explanation:

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.