For the first two years of his presidency, Clinton had a Congress controlled by members of his own party, the Democrats. Still, he failed in his efforts to pass legislation to reform the nation's health care system.
Clinton's most ambitious legislative initiative, a plan to provide universal health care, faltered—it never had majority support in Congress. within the 1994 elections, the Republican Revolution swept the country. Clinton vetoed many of the Republican policies like abortion restrictions.
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Hormones are carried by the blood stream to their target cell once there they bind to the cell. the answer to your question is they are carried by the bloodstream.