In this study of Germany’s international cartel agreements there will be some shortcomings in the textual materials during certain periods of time covered in this report. This is due both to public apathy in respect to cartels, and the reluctance of firms to publicize their cartel arrangements. In addition to this the main emphasis of this report will stree to ramifications of Germany’s cartel upon the United States in the decade preceding World War II. This does not detract from the equally important effects Germany’s cartel operations had upon other nations, but is indicative of the dearth of material available to this writer on cartel agreements abroad. Through this shortcoming is unfortunate in respect to other nations, it is appropriate that emphasis be focused upon the United States because of its position of leadership, industrially speaking, during the era covered in this report. This report will first examine the word cartel in order to give the reader an insight as to the definition of this term. This is necessary since there is some disagreement as to the precise meaning of the term. Attention will be centered on the various types of cartels, both of the domestic and international varieties found in Germany during the period under consideration. Though the intent of this report is the exploration of Germany’s international cartel effects, the inclusion of that nation’s domestic cartels is warranted by their relationship and similarities. From this point the report will proceed to give a brief historical sketch of the development of cartels to the present day, with special attention being given to the growth of German cartels. Included in this analysis will be the philosophical and legal basis for their growth. The role played by cartels in the rise of Hitler to power and their relationship with National Socialism will be scrutinized and evaluated. Attention will then be given to specific case histories of international cartel relationships between German and foreign firms.