Updated October 25, 2016. Definition: A budget deficit is when spending is greater than the revenue received for that year. That's known as deficit spending. The national debt is the accumulation of each year's deficit. When revenue exceeds spending, that creates a budget surplus.
Quick Answer. Mexico gained independence from Spain on Sept. 27, 1821. On Sept. 16, 1810, Miguel Hidalgo y Costilla declared independence from Spain by issuing the Grito de Dolores and launched the Mexican War of Independence. The war ended with the signing of the Treaty of Cordoba on Aug. 24, 1821.
T exass struggle for independence from Mexico and its annexation by the United States led to the Mexican War. From 1846 to 1848, the United States fought Mexico to acquire land stretching from Texas to the Pacific Ocean.