Answer:
C. grand juror
Explanation:
Grand jurors are not elected officials dealing with administrative problems in a town or in a city. Those persons plays a legal role in prosecution and in trials.
B is definitely correct as I recently did a lesson on it but I am not sure about the others, sorry.
Answer:
communications inventions
transportation inventions
names of specific inventors or entrepreneurs
examples of consumer goods
the impact of inventions on American society
Explanation: