Select the correct answer from each drop-down menu.
During the Han Dynasty, (Christianity, Confucianism, or Hinduism) was a major system of (artistic ideals, economic standards, or philosophical beliefs) that served as a set of unifying principles for society. A trade route known as the (cotton road, satin road, or silk road) connected the Han Dynasty with the (Byzantine Empire, Middle-Eastern Empire, or Roman Empire). The Hans were responsible for many (technological, educational, or scientific) innovations, including sundials, water clocks, and the use of (calendars, compasses, or paper).