They were extremely dirty. There was excrement on the streets, pigs and rats roamed free, and people were hired to clean said streets due to how bad the smell was.
Jews believe that Jesus was just a normal person claiming to be God's son, while the first Christians believed that He truly was the son of God. However, they both believed in the same God. Their religions both originate from Abraham, the first prophet. Jesus was worshiped by Christians, while treated like a heretic and ultimately killed by the Jews.
By taking away racial segregation in the military