Answer:
Rome continued to decline after that until AD 476 when the western Roman Empire came to an end. The eastern Roman Empire, more commonly known as the Byzantine Empire, survived until the 15th century AD. It fell when Turks took control of its capital city, Constantinople (modern day Istanbul in Turkey) in AD 1453.
Answer:was motivated by three main factors, economic, political, and social. It developed in the nineteenth century following the collapse of the profitability of the slave trade, its abolition and suppression, as well as the expansion of the European capitalist Industrial Revolution.
Explanation:
I think it's the telephone because it allows people to communicate better and customers or workers don't have to walk up to everyone and disturb them. You may elaborate more on this with your own opinion
An example of a theory is Evolution, we don't really know 100% how we came to be as we are now, but we do know that 1+1=2 as a fact, same with gravity, we Know it exists because it's what ties us to earth and we can "feel" it, but not Evolution, Evolution is a theory, just like the BingBang