What impact did the development of the canals have on the United States in the early 1800s?
They led to a decline in american exports to european countries.
They caused New York City to lose its position as a manufacturing center.
They helped the midwest to become a major center of American textile production
They made it easier for midwestern farmers to ship their crops to cities in the northeast

hope this helps:)

Explanation:

D.

The development of the canals helped make it easier for Midwestern farmers to ship their crops to cities in the northeast

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.