They analyzed the work of other historians to draw a conclusion.
To make more profit, expand in mercantilism, and gain more raw materials for manufactured goods :)
The answer would be $1,150 because the interest is 5 percent over a 3 year period. 3x5=15
An Invisible Warfare is basically when the victims of an attack are unaware and without warning nor immediate knowledge are being attacked.
I think it is B the British Monarch