Answer:
<u>When the railroad arrived from the north it immediately took up rapid transport of goods and passengers such as had previously come in along the Santa Fe Trail, fueling a new prosperity and growth in the Territory. it also made commerce possible on a vast scale.</u>
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Generally speaking, the United States intervened in Latin American countries in the early 1900s to "<span>c. protect American lives and investments," since the Us was concerned about European encroachment in the region. </span>
