It was the war that gave birth to modern warfare, introducing machine guns, artillery, and chemical weapons. With new technology, came the need for new tactics and old generals didn't do that, which led to the meat grinder of trench warfare.
Alexander the Great, conquered Persia, India, Greece and Egypt got the idea from Greece
Answer:c. 538
Explanation: plz mark brainliest:3
Answer:
the unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.
