Masses are always breeding grounds of psychic epidemics.
Slums may well be breeding grounds of crime, but middle class suburbs are incubators of apathy and delirium.
State Universities are breeding grounds, quite literally, for sexually transmitted diseases including HIV, homosexual behavior, unwanted pregnancies, abortions, alcoholism, and drug abuse.
I don't think it's too late for 'The War of the Worlds' to come true. I'm talking about it from the standpoint that which you need to have and own things - to breed, to think, to create - is going on everywhere, not just on this planet or in the space around it.
The real problem is that Saudi Arabia is bogged down by deep-rooted Islamic extremism in most schools and mosques, which have become breeding grounds for terrorists. We cannot solve the terrorism problem as long as it is endemic to our educational and religious institutions. .
I was raised in Chicago and I guess that was one of the special breeding grounds for gangsters of all colors. That was the Detroit of the gangster world. The car industry was thugs.
Let me tell you about those convents. All that crap about extending the pinkie finger while sipping tea is a myth. Convent schools are breeding grounds for great broads and occasionally one-of-the-boys. Convent schools teach you to play against everything, which is what I'm still doing.
Democracies are poor breeding grounds for terrorism and war.
Failed states have become breeding grounds for conflict.