Answer:
Explanation:
the California gold rush
job opportunities in the US
political unrest in China
ALL the answers.
There were many important Union generals during the American Civil War. ... Union Army during the later years of the civil war, and later became the President of The United States.
The correct answer is - Babylonians.
The Babylonians were a civilization that was very advanced. They are known to have invented lots of practical and scientific things that are still used nowadays. The Babylonians were like obsessed with math, so they started inventing different kinds of things which were based on it, or that were acquired for it, so they developed a system of weights and measurements. They used this system in their daily lives, for building, for planing, for making estimates.
