<span>During world war 1 the developments in military technology led to the most devastating war in human history and the introduction of "total war"--since the weapons were far more powerful. </span>
Answer:
the indians or native americans
Explanation:
Answer:
fleas
Explanation:
Like the modern bubonic plague, scientists believe the Plague of Justinian spread through fleas. Studies indicate the plague may have originated in China or India and was then transported to the fertile valleys of Egypt through trade routes.
Answer:
was mark by deep internal struggle
Probably faster since there’s more international travel, and more contact with others through diligent services and higher population (and population density)