Create secret agencies like the KGB to remove anyone who oppose them.
<span>Lincoln suspended the right of habeas corpus, or the right to be brought before a judge to tell what one is being charged with, in the border states during the beginning of the civil war in order to prevent them from seceding. He considered it necessary for the preservation of the union.</span>
President Ronald Reagan was president at the end of the Cold War.
In order for the constitution to be amended it must be passed by the federal government and it also has to be passed by 3/4 of the states... the whole point of federalism is that in addition to a central government (the united states federal government) there are separate sovereign states or provinces (individual states)
because an amendment needs the blessing of both the federal government and the states it demonstrates federalism