It was first proposed in the mid 1850s by doctor Ignaz Semmelweis who believed it would reduce mortality rates. It became a widespread thing around 1900 when everyone started doing it because they realized how important decontamination was.
Answer: B
Explanation: The chinese government recognizes five religions
This is my best guess but somebody may have a better answer
The Iroquois League developed a council system to make decisions. Each tribal chief was allowed one vote in tribal discussions, ensuring each tribe
Answer:
because it was cheaper to pay kids than adults
Explanation:
