During the thirteenth century Great Britain invested in a strong and large naval fleet. This was a very promising century for Britain because they were in the midst of a great economic expansion and territories turning it into a great power. All this prosperity was strongly influenced by the unbeatable naval fleet, which in addition to establishing a great defense, obtained wealth and territories for the crown.
A because "Because she was too young" can't stand by itself. To test if it is dependent, see if it makes sense by itself. if it does, it is independent.
