Which two countries did paraguay fight in the triple alliance war?

Although a number of things brought about world war one there was one even that push to europe over the edge. what was that event?

Find and simplify an expression for the area of five rows of square with side lengths of x

The theory of mercantilism holds that a nation's economic power comes from a a. enslave people b. become industrial c. willingness to explore d. favorable balance of trade