One option

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Note added at 18 mins (2016-05-10 21:58:28 GMT)
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also: HOTBEDS OF TERRORISM

also: TERRORIST STRONGHOLDS / BASES

Wahlkampf im Internet: Handbuch für die politische Online-Kampagne
https://books.google.com/books?isbn=382589262X - Translate this page
Manuel Merz, ‎Stefan Rhein, ‎Julia Vetter - 2006 - ‎Communication in politics
... The Kerry campaign has been a chronicle of second-guessing on our military Operations in Afghanistan and Iraq to root out and destroy hotbeds of terrorism.

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Note added at 22 mins (2016-05-10 22:02:30 GMT)
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Why do Western countries refuse to use full power of their military to ...
https://www.quora.com/Why-do-Western-countries-refuse-to-use...
Nov 15, 2015 - Why do Western countries refuse to use full power of their military to destroy terrorist strongholds in places like Syria? UpdateCancel ...

A New Kind of Containment: "the War on Terror," Race, and Sexuality
https://books.google.com/books?isbn=9042025239
Carmen R. Lugo-Lugo, ‎Mary K. Bloodsworth-Lugo - 2009 - ‎Philosophy
It even announced plans to have the option of using modified nuclear weapons to destroy terrorist strongholds or stashes of weapons of mass destruction or to ...

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Note added at 54 mins (2016-05-10 22:34:35 GMT)
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DEFINITIONS:

strong·hold
/ˈstrôNGˌhōld/
noun

a place where a particular cause or belief is strongly defended or upheld.
"a Republican stronghold"
synonyms: bastion, center, hotbed, safe seat
"a liberal stronghold"

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Note added at 55 mins (2016-05-10 22:34:53 GMT)
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