'That's' in the Bible

"Let's go to the neighboring town," he replied, "so I can preach there, too, because that's why I came."

King Herod heard about this, because Jesus' name had become well-known. He was saying, "John the Baptist has been raised from the dead! That's why he is able to do these miracles."

That's why "a man will leave his father and mother and be united with his wife,

That's not the way it should be among you. Instead, whoever wants to become great among you must be your servant,