Answer:
Gunpowder, paper, printing, and the compass are sometimes called the Four Great Inventions of Ancient China. Kites were first used as a way for the army to signal warnings. Umbrellas were invented for protection from the sun as well as the rain.
Explanation:
Answer:
1 establishment of silk road
2 improvement in ship design and making map
3 invention of paper and social reformer through law
Explanation:
I hope it is helpful for you
