400-500 word essay which explains what chemical, biological, and radiological weapons are, Political Science

I need a 400-500 word essay which explains what chemical, biological, and radiological weapons are. The paper must also discuss the potential for a terrorist attack using chemical, biological, or radiation weapons and how those might be deployed in the United States. The essay must be free of plagiarism. The associated text is Terrorism Today: The Past, The Players, The Future by Jeremy Spindlove and Clifford Simonsen.