FORD, Robert <br/><br/>
USA and Latin America at the end of the Columbian age : how America 'cut the Atlantic apron string in 1992'. 

 -  1992 
<br/><br/> Points out five areas of US influence in the world: military strength, diplomatic/cultural influence, scientific and technological capacity, natural resource independence, and international trade competitiveness.  Notes that the first two are in good shape, while the other three are eroding seriously.  Offers policies whereby the USA would demarcate a zone of cooperation and a zone of competition in the world, in a potentially new geopolitical order.