Deliberate efforts to keep groups separate is cultural divergence.
Apartheid
to keep healthy
To keep ingredients separate until you need to mix them, and to keep things organized.
they keep together 2 achieve goals
Yes. Separate them.
Yes, it is recommended to keep cat food and water separate to prevent contamination and maintain the freshness of the food.
you should keep it in a separate cage
Keep them in separate cages.
MAGIC
You have to keep on reporting them and keep on reporting their background and keep on flagging them and keep on blocking them and keep on thumbing down their comments and keep on removing their comments and keep on marking their comments as spam and keep on removing topics they posted in groups and keep on marking topics they posted in groups as spam and keep on marking their messages as spam and keep on deleting their messages.
One way the government tries to keep interest groups from forming bad public policy is by not letting government workers join interest groups.
Keep them in separate tanks.