Answer:
b. owed their lord labor services.
Explanation:
The first civilizations didnt use metal very often, but when they did it was usually for farming tools.
In regards to this question, there are no options given. I hope you are looking for whether the statement in the question is true or false. It would be totally false to say that in recent years, the controversy surrounding environmental issues has decreased. The controversy has increased not only in third world countries, but also in developed countries as well.
Answer:
This is the Grand Canal that served to bring water from the south to the north of China. It served agriculture, navigation and trade purposes. The Great Wall runs from east to west in northern China. And the yellow line does not correspond to the course of either the Yangtze or the Huang He rivers.
Explanation:
