The term mexican cession refers to which of these​

The “Mexican Cession” refers to lands surrendered, or ceded, to the United States by Mexico at the end of the Mexican War. The terms of this transfer were spelled out in the Treaty of Guadalupe Hidalgo of 1848.

Explanation:

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on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.