What changes occurred in the technology for war ?

Artillery, naval gun fire, attack helicopters and fighter craft were the next advanced warfare technologies that were used in killing the enemies. Technology has always been the contributing factor to the advancement and development of war equipment's. They played a significant role in the way war was fought

Explanation: hope its right

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explanation:

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.