As the railroad age evolved, business-oriented Southerners saw that a railroad linking the South with the Pacific Coast would expand trade opportunities. They thought the topography of the southern portion of the … 查看更多內容

The Pierce administration, which took office in March 1853, had a strong pro-southern, pro-expansion mindset. It sent Louisiana Senator 查看更多內容

Army control
The residents of the area gained full US citizenship and slowly assimilated into American life … 查看更多內容

Geologist Harold L. James stated in 1969 about the Gadsden Purchase: "Although the boundary controversy did not teach any lessons or impart any wisdom, it did lead to the purchase of an extremely valuable strip of territory that has more than paid for … 查看更多內容

Southern commercial conventions
In January 1845, Asa Whitney of New York presented the United States Congress with the first plan to construct a transcontinental … 查看更多內容

The Treaty of Guadalupe Hidalgo (1848) ended the Mexican–American War, but left issues affecting both sides that still needed to be resolved: possession of the Mesilla Valley, … 查看更多內容

Arizona
The boundaries of most counties in Arizona do not follow the northern boundary of the Gadsden Purchase, but six counties in Arizona do have … 查看更多內容