Answer:
c. so people can to have their rights protected.
As I am thinking you mean "Producers" when you say "Sellers" I am going to go with, Yes. You are correct it is Supply.
(Also the other one is called Demand not price)
Rivalry
Colonial and imperialistic ambitions was a major contributor of rivalry and hostility that beheld western Europe in the decades before ww1. Each of the nations was seeking to out do each in strategic colonies such as Egypt, east africa,India and some provinces in Europe such as Alasce and Lorraine.
Deceptive, dishonest, irresponsible, untrustworthy, unreliable, unacceptable, unbelievable!
It turned into a riot after someone threw a bomb at police at least eight people died as a result of the violence that day.