Answer: Carried by fleas from rodents to humans, bubonic plague cannot pass from human to human. A doctor swathed in protective gear checks a patient in Manchuria during the 1910-11 outbreak of pneumatic plague, the last before the discovery of sulpha drugs in 1933. Human lungs are the most terrifying tools of the plague.
Answer:
Most of the credit of the rise of the Persian Empire was due to the first Achaemenid Emperor, Cyrus the Great. He founded Persia after he united the Medes and the Persians to build a great Empire. Under Cyrus it extended from the Indus through to Egypt and the Mediterranean
Explanation:
They helped to end slavery
