Which invention created new jobs for unskilled workers?

select the best answer from the choices provided

a) cotton gin
b) factory system
c) interchangeable parts
d) canal system

The invention of the cotton gin created new jobs for unskilled workers. Option A is correct.

The invention of the cotton gin had great impact in the South in 1793  since it made cotton a major industry and sharply increased the need for slave labor.

The cotton gin was invented by U.S.-born inventor Eli Whitney in 1794. It was a machine that revolutionized the production of cotton by greatly accelerating the process of removing seeds from cotton fiber.

By the second half of the 19th century, cotton had turned into America’s leading export.

d! i hope u get it ! xddd

where is the diagram