The McKinley tariffs of 1890 increased import tariffs in overall but exempted sugar from duty in order to cut government income, and were at the time exorbitant.
The United States awarded Cuba a 20 percent decline in tariffs on its commodities in 1903.
Sugar was a big product in Cuba, and it contributed significantly to the country's economy. After the levy, Cuba lost its main sugar client, thus killing the economy.
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