Yes
Indeed it does
FBI CIA IRS
People who gather in a group to persecute any one on the daily basis is to harass.
gunshandgunstazorspeper spray
Three that come to mind: Lincoln's suspension of habeus corpus; Nixon's use of the FBI and IRS to harass his opponents; Obama's intervention in Libya. Notably, only Nixon got into trouble for his actions.
Joe did not mean to harass his neighbor, but that's what the police were told he was doing.
4WD vehiclescarstrucksuteshorsesmotorbikeshelicopterslight aircraft
You fly them, for transporting property or people, or for combat or leisure.
Because people hadn't figured out how to make and fly powered aircraft in 1900. No one made a successful flight in a powered aircraft till 1903.
There are no laws which make it permitted or prohibited to use aircraft during civil war. However, many people disagree with the use of drones or fighter planes used against a country's own people.
did the FBI use video recorders in 1960,s
It would be "an" before FBI (an FBI investigation, an FBI agent), because FBI is pronounced "eff-bee-eye."The indefinite article an is used whenever the following spoken sound is a vowel sound, or is very similar to one, notably H sounds. (The word historical is one of several words that may use either a or an.)When you use FBI as a noun, it is neither of the above, and you'd say, "the FBI". The FBI is a specific government agency and not countable. So it is "the FBI" unless you are using FBI as an adjective, then the above rules would apply.Examples:John is an FBI agent.John works for the FBI.