The new line would support communities and military outposts on the frontier. It would give settlers safe and dependable passage west. And most importantly, it would tie new states California and Oregon to the rest of the country. it would also help deliver mail across the nation much faster
Based on the options given, the most likely answer to this query is increase the quantity demanded of goods
When there is lesser prices on goods, the demand of the goods will most probably rise.
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They created the office of the Plebeian Tribune.
an instrument for measuring the distance traveled by a vehicle.