Explanation:
A warm front is indicated on the line by red semi-circles pointing away from the warmer air and pointing in the direction towards which the warm air is moving. Along sections of the polar front, cold and warm air masses may move differentially with for one another.
The answer that is being described above is SPAIN. This is the country that sent explorers so they can take control of the lands in the south and west of Mississippi river because of the gold deposits, as well as farming and ranching. Hope this answers your question.
