Why did pharaohs built a pyramid

What is the most famous discovery attributed to isaac newton ? a) barometer b) thermometer c) laws of universal gravitation d) telescope

An educatethe yuan dynasty was responsible for which of the following: i. improving the road system ii. increasing sea trade with india and south east asia. iii. extending the canal system iv. brutal warfare and ruthless killing of people in order to take over china. a. i & iii c. iv only b. ii only d. all of the above member of the government

How did cultural change create social conflict?