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 



