The main reasons for England's exploration, and colonization of the 13 Colonies can be summarized as follows: 1. The British empire believed that it could strengthen its power in the world by acquiring more territory. In the case of the 13 Colonies, the control of these strongholds prevented France from becoming the main sphere of influence in North America; and 2. The British sought the farmlands in which it could grow tobacco and cotton. These were two important products in the New World. So the answer is D. :3