Some historians call World War I the first industrial war. Several new technologies were developed for warfare. One of the most destructive new weapons used in WWI was The atomic bomb
The cannon
The fighter jet
Poison gas

The assassination of Archduke Franz Ferdinand in 1914 set events in motion that led to World War I. However, no major war is ever caused by a single event. Another factor that contributed to the outbreak of World War I was

Laissez faire economics
The League of Nations
Intense nationalism
The Bolshevik Revolution

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when we think of a­ncient paga­n kings, the ideas of justice and fairness probably aren't the first things to come to mind. we moderns may be more likely to imagine fickle, power-hungry despots who were ready to put someone to death on a whim. but king hammurabi, who ruled a prosperous and thriving babyloniaalmost four millennia ago, doesn't quite fit that mold. he claimed to have protect the weak from oppression, and scholars believe he fostered an atmosphere of justice and righteousness for his people.

this belief is based on an object that was discovered only a century ago. it has already earned a place alongside the rosetta stone as one of the most important artifacts of the ancient world. this stela (stone pillar) bears the inscription of the code of hammurabi, and it has shed light on the laws, culture and life in babylonia.

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taxation that is paid in kind, that is with goods or services rather than money