Answer:
China Wheel- In Ancient China
Egypt Iron- In Ancient Egypt
Sumer Silk- Ancient China
Hittites Sailboats- Upper Mesopotamia
Explanation:
The explanation for this is that all of these objects have been made in certain ancient places. So for example, If you have learned about Ancient China you would know that China made agriculture, technological advancements, inventions an much more. So one of their inventions were the China Wheel. Also same with the rest of them. All of the regions have made many advancements through their time period of ruling. So if you learned at school about Ancient China, Ancient Egypt, and Upper Mesopotamia which is just Mesopotamia but it is the upper part of it that created it not the lower part or you can just say Mesopotamia if you want to but your choice on that. So if you have learned about this stuff it shows that these inventions belonged certain regions that are very ancient.
