Answer:
a. gold coins
Explanation:
Marco Polo was impressed by the paper money, coal burning and gunpowder in China. But, gold coins are not new to him.
Bān Zhāo, courtesy name Huiban, was the first known female Chinese historian. She completed her brother Ban Gu's work on the history of the Western Han, the Book of Han. She also wrote Lessons for Women, an influential work on women's conduct. She also had great interest in astronomy and mathematics and wrote poems, commemorative writings, argumentations, commentaries, essays and several longer works, not all of which survive. She became China's most famous female scholar. Hope it helps
C. A day that will live in infamy
It maintains the oral tradition of communities.
