The answer is D: The practice of a new philosophy called Enlightened Thinking.
Although they are different historical moments —the scientific revolution being associated with the Renaissance and the Industrial revolution with the Economic transformation during the 18th and 19th centuries— they are, nevertheless the two main causes of the rise of The Age of Enlightenment —which started at the beginning of the 18th century—, and which was a philosophical movement that in a definitive manner separated thought from theology and developed science and knowledge based on reason and demonstrability, changing the sociopolitical landscape of Europe forever.
Seems logical to me, in a democracy the public decides but obviously we can't run every single decision by every single inhabitant. That's why we choose who does, therefor voting is vital
They were making sure the uncles weren’t aliens and really just humans. They had thought the uncles were aliens because they looked different from when they last saw them.