Can you imagine a world without RELIGION or RACE??
Do you think people would have more understanding with each other.
In the last century there was such a country - the USSR. In this country, churches were destroyed, saints were laughed at, there were no believers at all. People of different nationalities also lived there, in general, about 16 different republics. This community existed for about 70 years and disintegrated. Here's a small example of World without divisions.