Polk believed that it was the destiny of the U.S. to expand entire continent as part of its Manifest Destiny. He believed that the war with Mexico fitted well with that vision. When the U.S. won it took over several territories from the Mexicans.
Answer:
Justinian
Explanation:
The golden age of the empire came during the reign of Justinian (A.D. 527-565)
paid for goods by trading crops for goods
