How did the arrival of railroads impact the indian territory’s economy?
a. fewer job opportunities were available to non-american indians.
b. the oil and mining industries transported more goods and grew greatly.
c. american indian tribes were able to maintain their traditional economies.
d. land was closed to white settlement, removing opportunities in the territory.

D. American settlers were moving natives to reserves to make space for building railroads.

D. Land was closed to white settlement, removing opportunities in the territory.

Explanation:

As a result of the occupation of the western territories, modernization of transport systems took place. Railways and steam navigation were introduced, which facilitated the movement of people and goods. However, the arrival of the railroads had a negative impact on the life and economy of the Indians.

With the arrival of the railroads, the indigenous populations were being fought, pushed out of their lands and exterminated so that there was enough territory for the construction of the railways.

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b. would be the answer if not try c

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: ) : 0 : o : d

explanation: