Printing allowed literature to become more available during the Tang Dynasty
Abraham Lincoln did not get rid of slaves. We technically have slaves instead we pay people to do our work.
He also did not modernize the economy he just made the government produce more of it.
Im not so sure thats all right but i tried it.
George Washington was appointed as the Supreme Commander of the Continental Army.
Answer:
Developed advanced mathematical skills.
Explanation:
The Aztec and Incan Civilization was part of the ancient civilization that flourished before the arrival of the European in the New World after the discovery of America by Christopher Columbus.
Both of the civilization cultures developed complex mathematical systems and impressive advances in astronomy.
The Aztecs had their form of calculation where they used a base-20 number system.