Reconstruction, one of the most turbulent and controversial eras in American history, began during the Civil War and ended in 1877. It witnessed America's first experiment in interracial democracy.
1 Changes in skin color. 2  A chemical peel can cause treated skin to become darker than normal (hyperpigmentation) or lighter than normal (hypopigmentation). 3  Hyperpigmentation is more common after superficial peels, while hypopigmentation is more common after a deep peel.
Battery acid can leave a terrible stain in your driveway or garage. Battery acid stains are not difficult to remove. However, you must be cautious because you will be working with dangerous chemicals.our chlorine bleach into a spray bottle. Spray affected area until completely covered and let it set for a five minutes. Scrub battery acid stains with a hard bristle brush. If the stain remains, spray on another application of bleach and let it set longer.