BUCKLEY v. VALEO 1 Per Curiam representative democracy is undermined. Although the scope of such pernicious practices can never be reliably ascertained, the deeply disturbing examples surfacing after the 1972 election demonstrate that the problem is not an illusory one.28 Of almost equal concern as the danger of actual quid pro quo arrangements is the impact of the appearance of corruption stemming from public awareness of the opportunities for abuse inherent in a regime of large individual financial contributions. In CSC v. Letter Carriers,supra, the Court found that the danger to "fair and effective government" posed by partisan political conduct on the part of federal employees charged with administering the law was a sufficiently important concern to justify broad restrictions on the employees' right of partisan political association. Here, as there, Congress could legitimately conclude that the avoidance of the appearance of improper influence "is also critical . . . if confidence in the system of representative Government is not to be eroded to a disastrous extent." 413 U. S., at 565.21 Appellants contend that the contribution limitations must be invalidated because bribery laws and narrowly drawn disclosure requirements constitute a less restrictive means of dealing with "proven and suspected quid pro quo arrangements." But laws making criminal 28 The Court of Appeals' opinion in this case discussed a number of the abuses uncovered after the 1972 elections. See 171 U. S. App. D. C., at 190-191, and nn. 36-38, 519 F. 2d, at 839-840, and nn. 36-38. 2"Although the Court in Letter Carriers found that this interest was constitutionally sufficient to justify legislation prohibiting federal employees from engaging in certain partisan political acti, ities, it was careful to emphasize that the limitations did not restrict an employee's right to express his views on political issues and candidates. 413 U. S., at 561, 568, 575-576, 579. See n. 54, infra.

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