One main reason farmers were unhappy with big businesses, such as railroad companies, was .
a.
they felt that such companies had too much power over the marketplace and charged higher prices
b.
these businesses were purchasing huge areas of farmland
c.
their children wanted to move to big cities and work for the railroads
d.
they did not think such businesses were good for the American economy

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

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.