At the beginning of the 20th century, the United States of America had the most advanced economy in the world. This issue did not escape the sharp eyes of the Iranian intellectuals and modernists of the Qajar period, and they followed with exemplary obsession how the economy of this new country flourished. The current research tries to answer these questions by using unpublished archival documents in Iran: How did the intellectuals and progressives introduce the economy and finance of America? What results did these findings have for Iran? And to what extent did the First World War play a role in increasing or decreasing commercial and financial exchanges between Iran and the United States? The findings of this study, which is based on the analytical descriptive method, show that the intellectuals, in order to show the importance of American trade, in the first step compared the exploitation of underground resources in America and Iran with a critical view, and in this way, the importance and necessity of expanding trade relations with this country. warned the officials of the Iranian government. Further, in their reports, they showed the desirable state of American trade during the First World War and the years after the war compared to other countries in the world.