This document defines terrorism and discusses its causes and impacts. Terrorism is defined by the FBI and US Department of Defense as the unlawful use or threat of violence against people or property to intimidate for political goals. It discusses two types of terrorism: national (directed internally without foreign influence) and international (foreign-based or directed). Causes mentioned include social/political injustice, belief that violence achieves goals, religion, illiteracy, and injustice. Impacts involve economic losses from death/damage, societal fear and suspicion, and complicated international politics. Solutions proposed are education to understand cultural differences, eliminating root causes like funding sources, and addressing injustices that radicalize individuals.