What effect do terrorists aim for by using small quantities of chemical agents in populated areas?

Terrorists typically aim to maximize potential for exposure and impact when using small quantities of chemical agents in populated areas. This tactic is chosen because it allows for widespread dissemination of the agent, leading to a larger number of affected individuals and heightened panic and chaos. The use of chemical agents in such manner not only increases the immediate health threats to the population but also serves as a psychological tool to instill fear within a community. The goal is to create a dramatic effect that captures attention and generates media coverage, amplifying the perceived power and influence of the terrorist group.

The other options do not accurately reflect the primary motivations behind the use of chemical agents. Gaining recognition within a local community is not the main goal as terrorists typically operate with intentions that transcend local acknowledgment, often aiming for international impact. Causing limited harm would not align with the broader objectives of terror campaigns, which seek to instigate fear, disruption, and chaos. Lastly, collecting data on responders does not align with the operational goals of such attacks; while that information might be of interest, the immediate aim of a chemical attack is to cause disruption and fear rather than conduct research or monitoring.