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Why is Elisha Otis's elevator invention important?
Elisha Otis's invention of the safety elevator in the mid-19th century was crucial because it enabled the safe vertical transport of people and goods in buildings, overcoming the risks associated with earlier elevator designs. His invention included a mechanism that prevented the elevator from falling if the cable broke, significantly enhancing safety and public confidence. This innovation facilitated the construction of taller buildings, leading to the rise of skyscrapers and transforming urban architecture and city landscapes. Ultimately, Otis's elevator revolutionized transportation within buildings, making modern urban living possible.
Principles of preamble?
The Preamble to the Constitution explains beautifully the reason that we fought to gain independence and lists what we need to do to protect that independence. We needed to form a strong union, have peace within and without our borders, take care of our citizens' needs and pass freedom down to future generations.
What are facts about Zacharias Jansen?
Zacharias Jansen created the compound microscope in 1610, allowing people to better analyze and understand the complexity of cells. Zacharias worked as a Dutch spectacle maker and was also associated with the invention of the first optical telescope. He combined two convex lenses within a tube.
How are the invention of the light bulb affect the oil industry?
The invention of the light bulb significantly impacted the oil industry by reducing the demand for kerosene, which was widely used for lighting before electric lighting became prevalent. As households and businesses transitioned to electric lights, the market for kerosene diminished, leading oil companies to seek new applications for petroleum products. This shift spurred innovation and diversification within the oil industry, ultimately paving the way for the development of gasoline and other petroleum-based products for transportation and industry.
What is task?
A physical or cognitive skill that a person must accomplish during a particular age period to continue development.
How much fighting took place within US borders during World War 2?
None within the continental U.S.
What was the fate of Romania's Jews during the Holocaust?
most of the Jews within Romania's pre-war borders survived, but this was arguably at the expense of the Jews within the territories that Romania gained during the war.
What is the term that best describes variations within languages?
During the Shang Dynasty a 12-month calendar was developed based on the ________.
What state borders Illinois to the east.?
Indiana and within the waters of Lake Michigan it also borders Michigan.
What term refers to the supreme authority within a states borders?
This term refers to the supreme authority within a state's borders.
What lake is totally within borders of the US?
There are many lakes within the borders of the US. If you mean one of the Great Lakes, it is Lake Michigan.
What country is within Italy's borders?
Vatican City is a sovereign country within the borders of Italy. It has a population of less than 1000 people and is entirely within the city of Rome.
The countries of Annam and Champa were within the borders of the country known today as?
The countries of Annam and Champa were within the borders of the country known today as Vietnam.
Which term refers to the supreme authority within a states borders?
Supreme authority within the borders of a state or nation is sovereign authority.
How has the US dealt with conflict within its own borders and what are the legacies of these conflicts?
There has been no conflict on the borders.
What is supreme authority within states borders called?
Supreme authority within the borders of a state or nation is sovereign authority. It comes from the concept that the king, or sovereign, had supreme authority within the kingdom.
What does sovereighty mean?
sovereignty is the ability to have the final and independent say on things that occur within specific borders. There are no limitations placed on the sovereign's power within these borders.
