Which most effectively explains John Jacob Astor’s motivation in establishing Fort Astoria in present-day Astoria, Oregon?
It was logistical; it enabled the shipment of furs to the east on the transcontinental railroad.
It was geographical; a fort on the Pacific Ocean enabled fur trading with Asia.
It was economical; other parts of the United States were facing dwindling fur supplies.
It was diplomatic; the newly built Panama Canal made trade easier with western suppliers.
b, i think