Ineed and i'll give brainlest to the best answer.

1. The great wall of china was used to protect the Chinese states and empires against the raids and invasions of the various nomadic groups of the Eurasian Steppe.

2. Confucius was a Chinese teacher, editor, politician, and philosopher of the Spring and Autumn period of Chinese history

3. A written character symbolizing the idea of a thing without indicating the sounds used to say it

4. Genghis Khan was the Great Khan and founder of the Mongol Empire

and 5. Christianity first reached China in the 7th century.  And in the early 1300's

Hope i helped!

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