Why were plantations owners unable to export cotton during the civil war

Plantations owners are unable to export cotton during the civil war because   blockage of the ports in south and encroach the areas of cotton growing areas.

Explanation:

During the time of civil war, the crop cotton was one of the most valuable crop but there came a time when the exports of this crop had to be stopped and it had a huge impact on the foreign trade of the United States of America.

The reason for this was that the ports in the south got blocked in the war and the areas where the cotton was grown also got intruded by the opposition which could not let the cultivators grow the crop and affecting the cultivation.

Cotton growers were unable to pay their taxes or their debts, and the emancipation of the slaves demolished their capital investments in labor.

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.