Question in unclear..but I would say chemicals/hazards..?
Answer:
In 1794, U.S.-born inventor Eli Whitney (1765-1825) patented the cotton gin, a machine that revolutionized the production of cotton by greatly speeding up the process of removing seeds from cotton fiber. By the mid-19th century, cotton had become America's leading export
Explanation:
mark me brainleist plz
The Soviet Union enforced the collectivization of its agricultural sector between 1928 and 1940 during the ascendancy of Joseph Stalin. ... The sweeping collectivization often involved tremendous human and social costs.
