The greatest earthquake ever recorded was in Chile
Dred Scott would remain a slave and, as a slave, was not a U.S. citizen and was considered property. The Chief Justice of this case, John Marshall, said that Scott shouldn't have even brought his case to court because he is a slave.
1. Greece specifically Athens developed democracy and not China.
I would say that the answer would be that Christianity is legal to practice. Check out the Great Controversy for more information.
The Niles water would be collected during the summer season because that's when the water would rise. This helped the Egyptians to grow their crops however the Nil would often flood and cause destruction to the surrounding land and crops.