Answer:
: The Hellenistic period saw a growth and spread of Greek culture and ideas. Science, mathematics, and the arts flourished. All of the Seven Wonders of the Ancient World required extensive knowledge of math and science to engineer and build. The Pharos of Alexandria is a good example of this. It required advanced engineering, and it was located in Alexandria, the center of Hellenistic culture.
Japanese-American citizens were denied their rights and sent to internment camps, as the government believed that some of them were working with the Japanese government, and could feed intel back to them. At the end of the war, however, these citizens were released.
Music is present in every part of our lives. Our spiritual rituals are framed with songs, children learn the alphabet through song and the malls and cafes we visit during our leisure time are rarely silent.
But just how much can this ever-present thing impact us -- and the way we act and feel? Research suggests music can influence us a lot. It can impact illness, depression, spending, productivity and our perception of the world.
Some research has suggested it can increase aggressive thoughts, or encourage crime.
It was mainly developments in the "steel" industry that made important contributions to improvements in the transportation system in the United States during this time, since the major advancement in transportation was in the railroads, which were made from steel.
