Suppose that Brazil had invaded a relatively peaceful United States several times in the last century. The foreign policy of the latter country would surely be to arrange for a cordon sanitaire south of its border. That would pretty much be the be all and end all of its international endeavors. But posit that the Brazilians set up a CATO (Central American Treaty Organization). They successively enrolled in it Columbia, then Panama, then Costa Rica, then Nicaragua, then El Salvador, Honduras,...
















