Answer:Social Darwinism was used to justify imperialism. The main idea behind Social Darwinism is that the strongest and fittest survive. Those who supported imperialism believed that the places that were being colonized weren't as fit or as a strong as the imperial country was.
Explanation:
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.
Isnt fable fake ? i mean or is it what