It's the moneyed psychopaths, who have been in control (more at some times - like now - and less at other) for many millennia, who wrote many pieces that promote division.
It's not the religions. It's the grooming done to divide Us with religion. It is the hidden hand putting on a performance on the cave wall (Our screens) to cast sandy hooks into Our emotions and drag Us where They want Us.
Escape the Cave! (article): https://blurt.blog/blurttribe/@amaterasusolar/4fpsxb-escape-the-cave