Judging from your other questions, I would guess the Aztecs, because they had an extremely advanced civilization relative to their time period. However, you might want a second opinion to verify this. Hope this helps.
I don't know what "this" means here - but Spain, England and Portugal based their empires on their sea explorations and colonizations - all their colonies were not reachable (or only by de-tours) by land.
China, on the other hand was not based on Islands, but connected by land: so here China is the best option.
The principal reform called for, is the elimination of the national origins quota system and the overview of numeric limits on immigration from the western hemisphere laterally with the strong claim for immigrant workers by the US employers led to rising numbers of unauthorized immigrants in the united states in the decades after 1965 especially in the southwest. Policies in the immigration and control act 1986 that were intended to curtail migration across the mexican united states border ran many unofficial workers to settle lastingly in the united states. The demographic trends developed a central part of anti-immigrant activism from the 1980s prominent to greater border militarization rising hesitation of migrants by the border patrol and a focus media on the theoretical criminality of immigrants.
President Truman exercise was increased by replacing MacArthur during the Korean War.
A candidate who received the backing of his/her home state rather than that of the national party is called a Favorite Son.