Thomas Edison created a commercially viable incandescent light bulb in 1879. How did this invention change the American workplace? A It forced workers to specialize in certain tasks. B It reduced efficiency in the workplace. C It allowed workers to work longer hours. D It led to the end of child labor laws.

ghana achieved independence peacefully, while algeria gained independence through an armed struggle.

these civilizations were located around fertile rivers, where they could produce an abundance of crops

according to this text from the preamble to the declaration, who gives men their unalienable rights?

lol   that was   funny : >