on Un-American Activities disclosed that many of the payments for this propaganda service were made in cash by the consul of a foreign nation, clearly giving an unmistakable inference that the work done was of such a nature as not to stand careful scrutiny.
"As a result of such evidence, this bill was introduced, the purpose of which is to require all persons who are in the United States for political propaganda purposes propaganda aimed toward establishing in the United States a foreign system of government, or group action of a nature foreign to our institutions of government, or for any other purpose of a political propaganda natureto register * * * and to supply information about their political propaganda activities, their employers, and the terms of their contracts.
"Thisrequired registration will publicize the nature of subversive or other similar activities of such foreign propagandists, so that the American people may know those who are engaged in this country by foreign agencies to spread doctrines alien to our democratic form of government, or propaganda for the purpose of influencing American public opinion on a polittical question."
In Viereck v. United States, 318 U.S. 236, 241, 63 S.Ct. 561, 563, 87 L.Ed. 734, which involved a conviction under this statute, Chief Justice Stone gave the following explanation of the objectives of the Act: "The Act of 1938 requiring registration of agents for foreign principals was a new type of legislation adopted in the critical period before the outbreak of the war. The general purpose of the legislation was to