What factors led to war in Europe?

A lot of these factors are way in the deep history of the old powers of Europe including  France, Italy, Hungary, and Britain. The real causes or main causes of World War I was politics, secret alliances, imperialism, and nationalistic pride.

what the question i might be able to

the communist manifesto is an 1848 political pamphlet by the german near the end of the manifesto, the authors call for a "forcible overthrow of all existing social conditions",  ..