The truman doctrine stated that the united states would support greece and turkey with economic and military aid to prevent the spread of communism. this doctrine became the basis for

the court ruled that a state law that banned abortions (except to save the life of the mother) was unconstitutional

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the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.