Eli whitney's cotton gin was important to industrialization in the united states
because it demonstrated that:

Eli whitney's cotton gin was important to industrialization in the United States because it demonstrated that Americans did not have to rely on British for industrial innovations.

Explanation:

One of the most significant events of the world history is industrial revolution which has impacted almost all the countries of the world in some or the other way. During the industrialization in America Eli Whitney’s invention of cotton gin had great importance as it made America self-reliant with regards to industrial innovations.

Invention of cotton gin by Eli aided the expansion and development of textile industry in America. This has helped to boost the American economy and also served as the harbinger for slave trade in America.