These two technologies were the development of a safe elevator and the method of building using a grid of steel beams.
In 1853, an American inventor called Elisha Graves Otis developed a safety device that kept elevators from falling should a cable break. This new development had an enormous impact on public confidence. Later in the century, the change to an electric motor made the elevator a practical solution to the problem of getting up and down tall buildings.
In Chicago during the 1880s, lack of space for building became a problem due to a high rate of development, and the only alternative was to build upward. Construction techniques had to change and so a new method of building was developed that used a grid of steel beams and columns that were strong enough to support any stresses or forces a building may experience. With this new building method, the skyscraper was born.
They use the power of social media to attack other people and try to embarrass and ruin a person reputation. people also use harmful words and threats and once it’s out their it’s gone.
The Albany Plan of Union was a plan to place the British North American colonies under a more centralized government. The plan was adopted on July 10, 1754, by representatives from seven of the British North American colonies. Although never carried out, it was the first important plan to conceive of the colonies as a collective whole united under one government.
