OCTOBER TERM, 1975 Opinion of WHITE, J. 424 U. S. records and file reports concerning all contributions and expenditures received and made by political committees for the purposes of influencing the election of candidates for federal office. The Court noted the conclusion of Congress that public disclosure of contributions would tend to prevent the corrupt use of money to influence elections; this, together with the requirement "that the treasurer's statement shall include full particulars in respect of expenditures," made it "plain that the statute as a whole is calculated to discourage the making and use of contributions for purposes of corruption." 290 U. S., at 548. Congress clearly had the power to further as it did that fundamental goal: "The power of Congress to protect the election of President and Vice President from corruption being clear, the choice of means to that end presents a question primarily addressed to the judgment of Congress. If it can be seen that the means adopted are really calculated to attain the end, the degree of their necessity, the extent to which they conduce to the end, the closeness of the relationship between the means adopted and the end to be attained, are matters for congressional determination alone." Id., at 547-548. Pursuant to this undoubted power of Congress to vindicate the strong public interest in controlling corruption and other undesirable uses of money in connection with election campaigns, the Federal Election Campaign Act substantially broadened the reporting and disclosure requirements that so long have been a part of the federal law. Congress also concluded that limitations on contributions and expenditures were essential if the aims of the Act were to be achieved fully. In another major innovation, aimed at insulating candidates from the timeconsuming and entangling task of raising huge sums of