Answer:
I believe it's A but I'm not sure sorry if I'm wrong
The best concise answer to this would be the Louisiana Purchase as it accounts for a large portion of land that is approximately half to a third of the current United States, but at the time more than doubled the size of the country.
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
One of the dilemmas Spain faced regarding the new colonies established by them was the powerful international presence of the Spanish crown in those new territories against the cost of maintaining that presence.
It is well known that the Spanish conquerors wanted to exploit the many raw materials and natural resources in their colonies to enrich the Spanish crown. However, there was an implicit cost in this feat. Indeed, a high cost it was.
Furthermore, the fear Spanish had of possible occupations by French or English settlers of territories such as Florida, made them accept the presence of Native American Indian tribes like the Seminoles. trying to protect its large peninsula.
Yes it is :) He states it!