To celebrate Thanksgiving? Research on it maybe, im sorry i couldnt help :(
Answer:
abacus
Explanation:
Focus On. There is a long history detailing the invention of computing and calculating machines. The earliest recorded calculating device is the abacus. Used as a simple computing device for performing arithmetic, the abacus most likely appeared first in Babylonia (now Iraq) over 5000 years ago.
Scandinavia,Northern Europe... hope it helps
Hippocrates - Medicine
Euclid - Mathematics
Answer:
To ensure ratification by all states
Explanation: