The correct answer is letter C.
Explanation: Enlightenment is a cultural movement that developed in England, Holland and France in the seventeenth and eighteenth centuries. At that time, intellectual development, which had been taking place since the Renaissance, gave rise to ideas of political and economic freedom defended by the bourgeoisie. The philosophers and economists who spread these ideas considered themselves propagators of light and knowledge.
B.
Is completely reflected by the atmosphere
Explanation:Intense heat and pressure in the Sun's core cause protons to fuse together to form helium atoms, a process that releases large amounts of energy. This nuclear reaction—the same process that takes place in a hydrogen bomb—has powered the Sun for more than 4 billion years.
http://www.u-s-history.com/pages/h717.html
Massive intervention by the federal government sank the strikers' spirits and buoyed those of management. The workers eventually capitulated, but harbored ill feeling against Hayes for his action.