U.S. foreign policy shifted away from "isolationism" to international involvement, since the US started to steer away from Washington's idea that it should remain as detached from foreign issues as possible.
They created the number system and discovered that the earth was round by studying eclipses.
Hope this helps.
<span>Advances that were made during the Han Dynasty:
Predict eclipses of the sun
Doctor's created new medicines
Chinese language grew from 3000 to 9000 characters
Paper was invented
Wheelbarrows and fine vases and china
Seismograph</span>
Answer: Workers and Labor Movement Quick Check
D. A large percentage of Americans became factory workers in cities
A. They were paid less per hour than men were paid
3. American Federation of Labor: Samuel Gompers
American Railway Union: Eugene V. Debs
Knights of Labor: Terence Powderly
C. Management announced that it would be cutting wages for all workers
Explanation: