Far from it. I believe that Tokyo is still the biggest city in the world.
it still is
it depends on what kind of place you mean, A geographical place or city or ............ what?
New York City.
Yes, it is a very common trend in world history for empires, city-states, nations, etc. to form alliances. Many military alliances are in place are the world now.
The Inca city of Machu Picchu in Peru is considered to be the most beautiful place in the world
The Japanese attack on Pearl Harbor during the Second World War took place at the city of Pearl, Oahu, Hawaii, whose harbor was (and still is) a major American naval base.
Opinions vary on whether or not zoos still have a place in today's world. Some believe zoos are educational, others believe they are cruel.
Tokyo
No, there is no city named Hades in the world. Hades is actually the name of the Greek god of the underworld, not a place that is recognized as a city.
No. Currently the most polluted place in the world is Mexico City
Yes, although the city is now known as "Nanjing".