What kind of the relationship does the letter describe

What deadly disease cost many workers their lives before dr. william gorgas found a treatment?

Why did the outbreak of world war 2 create a need for new military bases across the country?

Why did many americans want the united states to cuba gain independence from spain? cuba was rich in natural resources, including gold and oil. cuba would provide access to the pacific ocean through a narrow strait. the united states had strong economic ties to cuba. the majority of cubans expressed interest in becom ing a us state.