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GrenadesFlamethrowersTanksMachine gunsPoison gas
Because the old weapons become to common and considered to be to predictable
The aircraft carrier was a new invention in World War I. The use of deadly gases was also a new invention in World War I.
Hydrogen bomb
The first use of gas in a war was used in world war one.
Radar
GrenadesFlamethrowersTanksMachine gunsPoison gas
Because the old weapons become to common and considered to be to predictable
The Russo-Japanese War was extremely important in world history. To the surprise of many, this new Asian power was able to defeat a long standing European power, Russia, quite easily. This brought a new dimension to world politics as a new world power had emerged, when 50 years prior to that war, Japan was not considered a world power or a threat to peace.
The aircraft carrier was a new invention in World War I. The use of deadly gases was also a new invention in World War I.
What was new Zealands invovlement in world war 1
No, it was only one of the new weapons, that just might be a highly useful tool,
It sounds as if you are looking for submarines.
Hydrogen bomb
Henry J. Sweeney of New Hampshire is not considered the first US soldier to die during World War 1. It was Lieutenant William T. Fitzsimons.
Yes
This question does not indicate which government, nation or type of expansion. In Europe during World War 2 monarchies ruled the nations and there were no expansions. They had to give up their monarchies after World War 1. This allowed nationalism and democracy to begin in Europe. When Hitler came into power he changed Germany's rule to a dictatorship. Then after World War 2 Germany was able to return to democratic type government. In the US the only type of expansion was the United Nations being established in New York City.