PLS HURRY, IS TIMED. Which of the following railroads was not one of the first four major railroads built in the Indian Territory? A. the Missouri-Kansas-Texas Railroad B. the Atlantic and Pacific Railway C. the Central Pacific Railroad D. the Chicago, Rock Island, and Pacific Railroad

Simple, the answer is option (A)

Explanation: the Missouri, Kansas and Texas Railroad  was allowed to cross into Indian Territory. The first spike was driven on June 6, 1870.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

answer; /// i believe that the correct answer is (d)the huang he river valley;