The 20th century is marked to be the era of inventions and there was progress in every walks of life. Many inventions have made our life to be more easy and comfortable. Most of the inventions today have become obsolete but they were remembered for the convenience it rendered during such harsh times of early nineteenth century. Examples of obsolete inventions like typewriters, ether ice machines which serves to be the model for the modern refrigerators, Humphrey Davy who invented electric lamp.
Explanation:
After the second industrial revolution there were too many inventions like invention of the first revolver, sewing machine, battery, safety pin, steam powered locomotives. Steam locomotives by George Stephenson, changed the way of life which led to commercialization and emergence of huge factories. Transportation was made feasible during the late eighteenth century. Invention of Radio is considered to be the top most of all inventions. Although it was not invented by a single person but a group scientists have contributed for its discovery. In modern world, the invention of television is also revolutionary.
It was invented by John Logie Baird in 1926. during the twentieth century, the greatest marvel of discovery was made by inventing computers but the model of which is invented in olden times by Charles Babbage. The invention of cell phones By Doctor Martin Cooper in 1977 made communications to be faster and people are connected from different parts of the world through cell phones and computers. Nearly half of the world holds a cell phone toady.
In his lawsuit, Brown claimed that schools for black children were not equal to the white schools, and that segregation violated the so-called “equal protection clause” of the 14th Amendment, which holds that no state can “deny to any person within its jurisdiction the equal protection of the laws.”
The delegates discussed improvements for the Articles of Confederation, this was in September 1786 and the delegates actually called for the Constitutional convention.
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Answer:
Victory of Hitler in attacking Poland encouraged him to attack Denmark and Norway. Later on he attacked Netherlands, Belgium and France. It is such that gave Germany the audacity to launch warfare on Great Britain. Hitler felt that the only way to make Britain surrender was to attack Soviet Union.
Explanation:
The Great Depression also allowed authoritarian rulers to come to power, which moved the world closer to war. One major effect of World War II was the use of nuclear weapons in war, which would later lead to the Cold War.
