How did the United States acquire (get) San Domingo and the Philippines?

A treaty was drafted by Secretary of State Hamilton Fish that included the annexation of the country itself and the purchase of Samaná Bay for two million American dollars. Also included and supported by Grant was the provision that the Dominican Republic could apply for statehood. When debated in the Senate, Sumner staunchly opposed the treaty, believing the annexation process was corrupt and that the Dominican Republic was politically unstable, having a history of revolution. Sumner believed that Báez was a corrupt despot and that the use of the US Navy by Grant during the treaty negotiation to protect Santo Domingo was illegal. Sumner said that the annexationists wanted the whole island and would also absorb the independent black nation of Haiti. Schurz opposed acquisition because he did not favor mixed race people becoming US citizens.[1] The treaty ultimately failed to reach the two-thirds vote needed (the vote was a tie). In order to vindicate the failed treaty annexation, Grant sent a committee, authorized by Congress and including African American Frederick Douglass, that investigated and produced a report favorable to annexation of the Dominican Republic into the United States.

i know social security wasn't one.

explanation:

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"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.