Answer:
a goal of shoring up existing regimes.
Step-by-step explanation:
By definition, terrorism includes all of the following attributes except a goal of shoring up existing regimes. Terrorism can be defined as an unlawful use of violence and force majorly targeted at civilians in the pursuit of political aim and shoring up, that is supporting existing regimes does not an aim of terrorism. Rather, terrorist aim at unseating an existing government or regime.