Thomas Edison invented the most widely available version of the light bulb. With the advent of AC/DC electricity cities soon began to have streetlights. This would make for a good crime deterrent.
Not sure but i am going to guess construction, farming, and medical
The Indus River Valley CivilizationLocated in north-western India, the Indus river valley civilization was a collection of villages located along the Indus River that lasted from about 2500 to 1800 BC. The citadel overlooked the lower residential part of the city which had houses placed close together and were fairly large and offered privacy. Mohenjo-daro also had an extensive drainage system available throughout the city and was considered advance for its time.
Compared to the Egyptian writing system, the Phoenician writing system was <u>Hieroglyphic symbols </u>
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The writing style pf Phoenician language is from right to left, and it doesn't consists of vowels and had only 22 letters. It is considered that the Greeks had introduced vowels, and led to discovery of true "Alphabetical system of language".
The earliest Phoenician inscription found is dated back to 11th century BCE, had been found from Byblos, this was written in a different North- Semitic alphabet.
Geoffrey Sampson, prominent scholar had stated that the Egyptian hieroglyphs "came into existence a little after Sumerian script, and, might have been created under its influence. He also pointed out that, the idea of representation by symbols had been travelled from Sumerian writing system to Egypt.
To know more about, Egyptian <em>click here-</em>
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