I can answer the cotton gin one it was a invention used to pick the seeds of cotton made it faster for cotton picking in the south
Answer:
because its the bodys way to get the necessary blood flow, calcium, or oxygen to a damaged part of the body. inflamation releases antiinflammatory agents like norepinephrine. thats why spicy fiid is antiinflammatory. it creates a fake inflammation response.
In the late 19th century, many US businesses had interests in Cuba, and part of the impetus for the Spanish-American War was to prevent its colonial government from adversely regulating trade with the US.
So C. to protect United States business interests in Cuba