France suspends the Schengen agreement and imposes border controls. The move by the French government is temporary and the country will suspend its participation in the Schengen agreement for a month starting November 13. During this period, foreign citizens, who have a Schengen visa, won’t be able to enter France without a French visa. This means if people have planned holidays in France, they... 

According to an Army field manual “In these modern times, demonstrations, civil unrest, public disorder, and riots happen for a number of reasons. Some of these reasons are economic hardships, social injustices, ethnic differences (leading to oppression), objections to world organizations or certain governments, political grievances, and terrorist acts. An event can be triggered by a single cause...