Answer:
I believe it is C. All challenged the authority of the previous scientists.
Explanation:
Immigration has become a lot harder since 9/11.
Answer: they decompose waste
Explanation:
Reign of Terror refers to a period during the French Revolution after the First French Republic was established and it lasted from September 1793 until the fall of Robespierre in 1794. Its purpose was to purge France of enemies of the Revolution and protect the country from foreign invaders.