My best bet would be B. the US and spain both had control over economic trade and stuff.
There are more than three reasons why this happened of course but the best three are there they needed more land, resources, and some way to escape the cold.
<span>After World War II, the Marshall Plan helped countries in Western Europe with rebuilding their economies--since almost every country in Europe at this time had been devastated by the war. </span>
<span> Periodization can help historians know when an event occured. This can also help historians learn the cause and effect of another time in history.</span>
<span>The Edict of Milan made it legal to practice Cchristianity openly in the Roman Empire. It did not make Christianity the official religion nor did it reunite the Roman Empire. Christianity would not become the official religion for the empire until the Edict of Thessalonian. It's not until the Battle of Chrysopolis that Constantine I wouldd become solle emperor of the Roman Empire. He would still need to reconquer parts to. hope this helps</span>