nerve agent – n. a poison that is used as a weapon in war

entity – n. an organization; something that exists by itself; something that is separate from other things

alternative – n. something that can be chosen instead of something else; a choice or option

handy – adj. near or close

install – v. to put (someone) in an official or important job

speculate – v. to think about something and make guesses about it; to form ideas or theories about something usually when there are many things not known about it

sponsor – n. supporter