I believe that the best answer for this question is a sextant. A sextant is a tool used to navigate the distance between two visible objects. This helped navigators and explorers judge the distance between the sun and the stars, which in turn helped them with location and navigation. Hope this helps.
The caste system separated people in India for many years. People could only marry others in their caste and could not move to a higher caste. The lowest caste were extremely mistreated by the rest of society. The caste system was cruel and very constrictive.
C) The leaders of the convention wanted people to think that all delegates approved the Constitution.
<em>Hope</em><em> this</em><em> answer</em><em> correct</em><em> </em><em>:</em><em>)</em>