They believe a land bridge connected the two continents at that time so they could follow the animals for food.
But for the United States, particularly due to the timing of the victory at New Orleans, the War of 1812 restored the nation's honor. ... Because of westward expansion and economic prosperity, the years immediately following the war would be labeled as the Era of Good Feelings.
The answer is B.
It first started with the Pearl Harbor Attack and was officially announced by Roosevelt in the Quarantine Speech.