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During the era of european expansion, what was the biggest reason for spain’s push for exploration?

In 1816, john c. calhoun proposed that: a. that the federal government aid in the construction of roads and canals to improve transportation to and from the west b. the united states should end slavery. c. the united states should increasing the size of the navy and invade central america. d. the united states should annex hawaii

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?