They were swayed by a myth - a myth of progress in which humanity is converging on a universal set of institutions and values. The process might be slow and faltering and at times go into reverse, but eventually the whole of humankind would live under the same enlightened system of government.
When you’re inside a myth it looks like fact, and for those who were inside the myth of the end of history it seems to have given a kind of peace of mind. Actually history was on the move again. But since it was clearly moving into difficult territory, it was more comfortable to believe that the past no longer mattered.” —John Gray in this BBC piece