Which contributed to the spread of domestic terrorism? A. improved methods for recruiting new members
B. declining economies in various developing countries
C. civilian unrest due to government-enforced restrictions
D. colonial groups seeking independence from imperialistic powers
The correct answer is C. civilian unrest due to government-enforced restrictions.
Explanation: Civilian unrest can lead to domestic terrorism as groups within a country may react violently to perceived oppression or restrictions imposed by the government. Such unrest often creates a climate where individuals feel justified in using terrorism as a means to express their dissent and pursue their objectives.