During the 1930s, worldwide prices for fell due to overproduction in East Texas

the correct answer is Oil

Explanation:

during the 1930's and after the wall street crash, USA entered the great depression that will last almost the entire decade and during this time, the global demand for energy and oil dipped as well. because of this decrease in demand, the oil prices went down.

in addition, a main reason for the decrease of demand was that during this time, the Europe, then the highest energy/oil consuming region was in an economic recession because of the events after the 1st world war and the rise of fascism.

moreover, the discovery of new oil resources in texas led to overproduction  of oil as well.

to extend a country’s power and influence

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.