<span>If I'm not mistaken it was Henry VIII. Have you tried other sources?</span>
Answer:
It occurred because it was cheaper and businesses could retain more money and underpay their workers. The practical reasons are that children are faster, they can fit into smaller spaces and are more controlled.
Well the first English settlement was really Roanoke, however it was not successful. The first successful one would be the new Virginia colony, later known as Jamestown;)