Airplanes, engine-driven vehicles that fly through the air, have evolved in less than a century into one of the most important inventions in history. Every day, airplanes commute people and goods great distances. Over the last 100 years, they have been developed and perfected from simple gliders to ...

World War One began in August of 1914, involving the military powers of Europe, Britain, other nations throughout the world, and later the United States. The war was fought mainly on the ground, until the invention of the aircraft as a military weapon This new type of warfare soon became a strong po...

Mommsen's article had as aim to eliminate as a causal explanation German imperialistic aims and the argumentation is convincing in that respect. Regarding Mayer, he clearly attributed a large causal role to domestic policies within the Great Powers and presents compelling evidence to that effect. ...