Make Predictions in the years after the French and British began to establish footholds in Africa, they would come into conflict with each other all around the world. Review the "Causes of European
Exploration" text earlier in this lesson. Then list factors that you predict will cause conflict between France and Britain.

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.