Boundaries between the continents of Earth Boundaries between the continents of Earth The boundaries between the continents of Earth are generally a matter of geographical convention. Several slightly different conventions are in use. The number of continents is most commonly considered seven but may range as low as four when the Americas and Afro-Eurasia are each considered a single continent. According to the definition of a continent in the strict sense, an island cannot be part of any continent, but by convention and in practice most major islands are associated with a continent. There are three overland boundaries subject to definition: While the isthmus between Asia
The Continent Makers problem for Graham is that the rescue of Jeru will gain nothing for him personally, but rather benefit only his rival Varnipaz; though Graham and Jeru love each other, people in her country wed on the basis of interest and advantage, considering love to have nothing to do with marriage. "The Continent Makers" is set on a future Earth governed by a World Federation in which Brazil has become the paramount great power, with Terran space travel monopolized by a Brazilian-dominated agency called the "Viagens Interplanetarias" ("Interplanetary Tours" in Portuguese). Interstellar travel is between the Solar System and nearby stellar