It's funny, the ones who preach multicultuarlism are always the first to cause divide and conquer under that same flag.
Just look at what Bill Clinton did in the Balkans
Now that tactic is actually called BALKANISM after his actions there.
(If you spelled it "BALL kin ism" it would suit him even better)
Balkanize
/ˈbɔːlkəˌnaɪz/
verb
1.
(transitive) to divide (a territory) into small warring states
2.
to divide (a group or organization) into small factions
verb (used with object), Bal·kan·ized, Bal·kan·iz·ing.
Bal·kan·ize
As is the hypocritical preaching of the opposite, it's a liebarrel thing.
1.
to divide (a country, territory, etc.) into small, quarrelsome, ineffectual states.
2.
(often lowercase) to divide (groups, areas, etc.) into contending and usually ineffectual factions:
a movement to balkanize minority voters.
Balkanism | Define Balkanism at Dictionary.com