Spain confronted many difficulties in keeping other countries from overthrowing Spain’s claim to Florida. English and French conquest of the Americas began to encroach on Spanish lands to the north and west of Florida. What was the number one reason that Spain was unable to keep the English and French from settling and claiming parts of La Florida as their own?

Spain confronted many difficulties in keeping other countries from overthrowing Spain’s claim to Florida. English and French conquest of the Americas began to encroach on Spanish lands to the north and west of Florida. What was the number one reason that Spain was unable to keep the English and French from settling and claiming parts of La Florida as their own?