Answer: D. construction and protection of roads that ensured safe and easy travel
Explanation:
Under Genghis Khan and his descendants, the Mongols conquered much of Asia and some of Eastern Europe such that they created the largest land empire ever seen.
Even though these Mongols could be brutal in conquest, they increased trade in the region by repairing the networks of roads that connected their conquered areas as well as constructing more. The protection they afforded these roads was renowned thus making travel easy.
Answer:
Aug 1929 - Mar 1933 ( 1 Year 9 Months )
Explanation:
Great depression
Massachusetts
"In the 1870s, Massachusetts began to investigate factory conditions."
The industrial revolution completely changed Massachusetts in the 19th century. It transformed its economy, society, transportation, health and medicine.
Massachusetts is known as the "cradle of the American Industrial Revolution"
Answer: In the medieval period, universities taught medical students only from Latin texts, but during the Renaissance, scholars began to ask questions and think scientifically. They returned to original Greek ideas of observation and experimentation, leading to a revolution in medicine.
Explanation: