Based on the dates given, the order in which these events in U.S. History happened were:
- Lonestar republic 1845.
- Oregon territory 1846.
- Disputed Texas territory 1848.
- Mexican Cession 1848.
- Gadsden Purchase 1853.
How were some states added to the United States?
After gaining independence from Mexico, the Lonestar Republic of Texas joined the Union in 1845. This was followed by the Oregon territory acquisition in 1848.
Mexico then ceded a lot of territory to the United States in February 1848 after which the Gadsden Purchase then added more territory in 1853.
Find out more on the Mexican Cession at https://brainly.com/question/640114.
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