The difference in the demands on the governments of these different groups​

Due to different problems.

Explanation:

There are difference in the demands on the governments of these different groups​ because different groups have different problems. For the fulfillment of these demands they come out for demonstrations and end their strike when the government fulfill their demands otherwise they will not go from this place. If the demands of the groups are right so this is the responsibility of government to fulfill their demands.

the correct answer is c.