Declaration of Independence occurred on July 4th 1776
Extra info: Now Americans celebrate American Independence Day on every July 4th.
During the late 1900’s Japan some of the things japan invested
in were; starting to get infrastructure, regulatory systems, and communication
systems developed. Due to those investments it led to many other new
developments. Such as modern roads, laying railroad, telegraph lines, a modern
postal system, a banking system, a financing infrastructure, and a modernized
school system.
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Operation Barbarossa was the Nazi German military invasion of the "USSR", since this was the famous surprise attack by Germany that broke the Nazi-Soviet Pact in World War II.
Germany lost World War I. In the 1919 Treaty of Versailles, the victorious powers (the United States, Great Britain, France, and other allied states) imposed punitive territorial, military, and economic provisions on defeated Germany. In the west, Germany returned Alsace-Lorraine to France.
Answer:
In simple words, Unlike WWI, which was battled in trench with machine weapons as well as biological weapons, WWII was conducted with modern weapons and equipment, with more aircraft, warships, vehicles, and submarine. During the war, special operations techniques, as well as atomic weapons and covert communications, were created.