Well without full context I would assume Trench Warfare because thats what 3 1/2 of the 4 year wars where full of.
Many popular leaders have rallied people to revolt in an attempt to change the political landscape or structure of a country The effects of these efforts were wide spread and resulted in many changes depending on their overall success <span>rate.</span>
When I scientist is setting up a control group they should get a product alike but really shouldn’t do anything. The control group is the group that stays the same so the scientist can see what changed. So for example: if u r testing that is a dog gets more pets they will be happier. So the control group would be the dogs that have gotten the amount of pets they had before, and the other group would be the group that got MORE pets. I hope this answers ur question
B. Islam. Islam is still found commonly in North Africa and the Middle East.