Compare the two maps of the U. S. before and after the Mexican War. How did the war impact the United States?

Explanation:

What did the U.S. gain by winning the Mexican-American War? Under the Treaty of Guadalupe Hidalgo, which settled the Mexican-American War, the United States gained more than 500,000 square miles (1,300,000 square km) of land, expanding U.S. territory by about one-third.

The war affected the US, specifically Texas, and Mexico. For Mexico, there was loss of life, economic ruin, and huge damage to property. For the US, they gained huge new pieces of land. However the fight over what to do with it took center stage.

The Mexican-American war (1846-1848) changed the slavery debate. It almost doubled the size of the United States and began a debate, between Northerners and Southerners, over what to do with the newly acquired land.

As Americans struggled to negotiate their identity as a people in terms of race, religion, and political culture, the war with Mexico clarified and for one century afterward cemented American identity as a Protestant, Anglo-Saxon republic

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chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.