<P> The American program included building up a modern economic infrastructure that included roads, ports, electric power systems, and telephones and telegraphs, as well as hospitals and programs to develop agriculture . </P> <P> Sugar mill owners between the period of 1898 and 1945 turned their sugar mills into monocultural plantations in response to the economy of the 20th century . The sugar mills and tobacco, cigar, and cigarette factories gained the United States' attention due to their fast productions and large amount of produce . Women and children were the primary workers within these industries . Puerto Rican trades went to the United States 95% of the time . By 1914, the coffee production that once was steady failed . </P> <P> The sugar industry rose along with the economy . Puerto Rican mill owners and French and Spanish residents took the United States' corporate capital . The United States had four operations were part of the United sugar refineries that were owned by Cuba and the Dominican Republic . In 1870, Congress made the tariff wall in order to domestic producers of sugar . This had an effect of putting sugar producers into bankruptcy . The United States acquired jurisdiction over Puerto Rico where there was free trade between the two . Capital flowed into Puerto Rico with the effect of modernizing its sugar processing mills due to the United States' influence . </P> <P> The United States had formed a Tobacco Trust that had basis rules for cigarettes, but Puerto Ricans had issues when it came to brand and local marketing . The Tobacco Trust controlled cigarettes and cigar production as well as controlled the tobacco leaf . There was a fall of the industry due to the exports . </P>

Why did the french and the spanish want to maintain control of kansas