Examlex
Factor the following perfect square trinomial.
1820s
The decade spanning from January 1, 1820, to December 31, 1829, characterized by significant cultural, political, and technological changes worldwide.
Tejanos
Residents of Mexican heritage living in Texas, especially those who were in the region before it became part of the United States.
Fort Laramie Treaty
An agreement made between the United States and various Native American tribes, aiming to ensure peace along the Western frontier and specify land rights.
Northern Plains
A broad expanse of flat land, much of it covered in prairie, steppe, and grassland, located in the northern part of the Great Plains of the United States and Canada, often associated with agriculture and ranching.
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