<span>The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845–1848 </span>
During his tenure, U.S. President James K. Polk oversaw the greatest territorial expansion of the United States to date. Polk accomplished this through the annexation of Texas in 1845, the negotiation of the Oregon Treaty with Great Britain in 1846, and the conclusion of the Mexican-American War in 1848, which ended with the signing and ratification of the Treaty of Guadalupe-Hidalgo in 1848.
Answer:
A sovereign state in international law is a political entity that is represented by one centralized government that has sovereignty over a geographic area.
Explanation:
The first migrants came 65,000 years ago
Answer:
April 9, 1866
Explanation:
The Civil Rights Act of 1866 was the first United States federal law to define citizenship and affirm that all citizens are equally protected by the law.