The phrase "act of terrorism" refers to a violent action or attack carried out by individuals or groups with the intention to instill fear, cause harm or damage, and promote a certain political, religious, or ideological agenda. Full definition
Certain plans provide coverage for acts of terrorism when traveling. (travelersally.com)
And although damage from acts of terrorism is not specifically covered, you'll generally be covered for damage from explosions, fire and smoke. (insurancequotes.com)
Then suddenly through acts of terrorism we have a revelation. (religion-online.org)