I would pretty much say oil in the modern day it would make the most sense
C THATS YOUR ANSWER I THINK MARK ME BRAINLY PLZ
The main goals of the Congress of Vienna were to establish the terms of long-lasting peace between European powers after the French Revolution and the Napoleonic Wars and to finalize European boundaries in order to create a balance between each of the major countries of Europe.
Answer:
it was to protest years of poor pay and working conditions.
so I'd say the first choice
