I'm pretty sure the correct answer is D, Spain, because only Southern Britain was part of the entire Roman Empire, and both Gaul and Anatolia were definitely part of the Roman Empire
The main factor that contributed most to Florida becoming a U.S. territory would be "<span>2.)The weakening of Spain's hold over its colonial possessions," since this territory was given to the United States by Spain. </span>
They would give power out of fear.
All of the above im 90% positive.