4 CONTENTS. 



Page. 



How far can the United States count on supplies from abroad ? 73 



Division into exporting and importing countries 75 



Importing countries 75 



Europe 75 



Exporting countries 79 



Europe 79 



Africa 83 



Asia (exclusive of Siberia) 84 



Australasia * 86 



Tropical and South America 87 



North America 87 



Conclusion 88 



References ^ 89 



