A large pool of unskilled laborers developed.
Explanation:
In 1915 the British and French forces launched an ill-fated naval attack on Turkish forces in the Dardanelles in northwestern Turkey. The failure of the attack resulted in significant casualties and resources for the British and French.
Wealthy factory owners looking for a source of timber
Answer: It was for protection from artillery, and advancements in weapon technology that caused ww1 to be fought in the trenches
Explanation:
All I really know about Karl Marx is that he didn't like capitalism. So I would have to say the invention of capitalism.