Examlex
The burning of fossil fuels produces nitrogen oxides and sulfur oxides which can react to form acid rain (nitric and sulfuric acids).
Union Army
The land force that fought for the Northern states during the American Civil War.
Confederate Army
The military ground forces of the Confederate States of America during the American Civil War, fighting against the Union.
Wartime Presidents
Leaders who served as the head of a country during periods of conflict, charged with making critical decisions about national security, military strategy, and domestic wartime measures.
Abraham Lincoln
The 16th President of the United States, who led the country through its Civil War and played a key role in the abolition of slavery.
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