But, from the standpoint of the professional politician, all this that the voter sees is a mask, the patriotic veneer to hide the machine, that complex hierarchy of committees ranging from Washington to every cross-roads in the Republic. The committee system, described in a former chapter, was perfected by the Republican party during the days of the Civil War, under the stress of national necessity. The great party leaders were then in Congress. When the assassination of Lincoln placed Andrew Johnson in power, the bitter quarrel between Congress and the President firmly united the Republicans; and in order to carry the mid-election in 1866, they organized a Congressional Campaign Committee to conduct the canvass. This practice has been continued by both parties, and in "off" years it plays a very prominent part in the party campaign. Congress alone, however, was only half the conquest. It was only through control of the Administration that access was gained to the succulent herbage of federal pasturage and that vast political prestige with the voter was achieved. The President is nominally the head of his party. In reality he may not be; he may be only the President. That depends upon his personality, his desires, his hold upon Congress and upon the people, and upon the circumstances of the hour. During the Grant Administration, as already described, there existed, in every sense of the term, a federal machine. It held Congress, the Executive, and the vast federal patronage in its power. All the federal office-holders, all the postmasters and their assistants, revenue collectors, inspectors, clerks, marshals, deputies, consuls, and ambassadors were a part of the organization, contributing to its maintenance. We often hear today of the "Federal Crowd," a term used to describe such appointees as still subsist on presidential and senatorial favor. In Grant's time, this "crowd" was a genuine machine, constructed, unlike some of its successors, from the center outward. But the "boss" of this machine was not the President. It was controlled by a group of leading Congressmen, who used their power for dictating appointments and framing "desirable" legislation. Grant, in the imagination of the people, symbolized the cause their sacrifices had won; and thus his moral prestige became the cloak of the political plotters.