Relation of slavery and Marshall's opinions--The South threatens war: "I behold a brother's sword crimsoned with a brother's blood"--Northern men quail--The source and purpose of Marshall's opinion in Cohens _vs._ Virginia--The facts in that case--A trivial police court controversy--The case probably "arranged"--William Pinkney and David B. Ogden appear for the Cohens--Senator James Barbour, for Virginia, threatens secession: "With them [State Governments], it is to determine how long their [National] government shall endure"--Marshall's opinion is an address to the American people--The grandeur of certain passages: "A Constitution is framed for ages to come and is designed to approach immortality"--The Constitution is vitalized by a "conservative power" within it--Independence of the Judiciary necessary to preservation of the Republic-- Marshall directly replies to the assailants of Nationalism: "The States are members of one great empire"--Marshall originates the phraseology, "a government of, by, and for the people"--Publication of the opinion in Cohens _vs._ Virginia arouses intense excitement--Roane savagely attacks Marshall under the _nom de guerre_ of "Algernon Sidney"-- Marshall is deeply angered--He writes Story denouncing Roane's articles--Jefferson applauds and encourages attacks on Marshall--Marshall attributes to Jefferson the assaults upon him and the Supreme Court--The incident of John E. Hall and his _Journal of American Jurisprudence_--John Taylor again assails Marshall's opinions in his second book, _Tyranny Unmasked_-- He connects monopoly, the protective tariff, internal improvements, "exclusive privileges," and emancipation with Marshall's Nationalist philosophy--Jefferson praises Taylor's essay and declares for armed resistance to National "usurpation": "The States must meet the invader foot to foot"--Senator Richard M. Johnson of Kentucky, in Congress, attacks Marshall and the Supreme Court--Offers an amendment to the Constitution giving the Senate appellate jurisdiction from that tribunal--Roane asks the Virginia Legislature to demand an amendment to the National Constitution limiting the power of the Supreme Court--Senator Johnson makes bold and powerful speech in the Senate--Declares the Supreme Court to be a denial of the whole democratic theory--Webster sneers at Johnson's address--Kentucky and the Supreme Court--The "Occupying Claimant" laws--Decisions in Green _vs._ Biddle--The Kentucky Legislature passes condemnatory and defiant resolutions-- Justice William Johnson infuriates the South by an opinion from the Circuit Bench--The connection of the foregoing events with the Ohio Bank case--The alignment of economic, political, and social forces--Marshall delivers his opinion in Osborn _vs._