On a more pessimistic note, the 19th Century was a multipolar world, insofar as the imperisl powers went. But it is debatable whether colonized people at that time were any better off than their equivalent numbers today. There were at least half a dozen nations involved in the scramble for Africa.
How many times do I need to repeat the claim about the danger of global conflagration and the annihilation of human and other life on the Planet. Did you "forget" this point? HTFG.