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.
I believe it was called greenbacks.
The first scientist to challenge the concept of race was Franz Boas.
Through capital provided by English pirates.
The major events that led to worldwar two was that hitler had attacked poland ( or was it austria or hungary) and that sparked a war between them. I think someone from austria died a royal and that sparked it as well. The rising tension between germany and the other countries after ww1 also accounted for it.
