What was the economic impact of the Chinese Exclusion Act? A. It limited access to critical natural resources.
B. It limited the supply of labor in the West.
C. It reduced wages for railroad workers.
O D. It reduced U. S. exports to asia

A and D are both the answer of your question but I prefer 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.