Words similar to hotbed

Example sentences for: hotbed

How can you use “hotbed” in a sentence? Here are some example sentences to help you improve your vocabulary:

Albania has become something of a terrorist hotbed in recent months: The three ( NYT ) or four ( WP ) Egyptians arrested there during June and July have been identified as likely affiliates of Saudi terrorist financier Osama Bin Ladin, whose name has surfaced repeatedly in connection with the Africa bombings.
Sure, I find it interesting to read that some people have fun playing Boggle and touring the dorms together, but is this a good way to find an answer to a question that uses "hotbed" and "sexual abandon" in the same sentence?
The court must have been a hotbed of social reform at the time.
There's one company that almost surely is a hotbed for this issue that the story makes no mention of: the LAT .
Gary Arnold of the Washington Times calls it "a groggy hotbed of sensationalism."