the great wall of china protected ancient china. the great wall of china took 1,000 years to build. combine…

the great wall of china protected ancient china. the great wall of china took 1,000 years to build. combine the sentences into one sentence. type your answer here.

the great wall of china protected ancient china. the great wall of china took 1,000 years to build. combine the sentences into one sentence. type your answer here.

Answer

Brief Explanations:

Combine the key - points of the two sentences. Keep the main idea of protection and building time.

Answer:

The Great Wall of China, which took 1,000 years to build, protected ancient China.