Describe problems that arose from industrialization and urbanization.

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

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

Which of the following cultures were among the earliest known inhabitants of north america? a) mayab) incac) anasazi d) olmec