Public health
Sanitation standards were created to protect the common good in particular in cities.
During the Second Industrial Revolution, many began moving to the cities. Overcrowding of people and horses created large amounts of waste and very little clean water. Disease ran rampant and sanitation systems were put into place to protect the health of people.
Answer:
Aztec Empire
Aztec Empire Triple Alliance Ēxcān Tlahtōlōyān
Historical era Pre-Columbian era Age of Discovery
• Foundation of the alliance 1428
• Spanish conquest August 13, 1521
Explanation:
He died on April 17th ' 1790.
Answer:
Central Asia, the Caucasus, and Eastern Europe are the locations where their state situated.
Explanation:
The Huns were the nomadic people who lived in the region of Central Asia, the Caucasus, and Eastern Europe in 4th and 6th century AD. There are different views about the origin of the people of Huns, some scholars believe they originated from the nomad Xiongnu people while the other historians believe that the Huns were Turkish tribe that comes from the region of Kazakhstan, or elsewhere in Asia.
