Answer:
Inventions like the airplane and machine gun
Explanation:
World War I was so deadly because all of the new weapons that were invented. New technology that was being invented such as machine guns and mustard gas made war deadlier than every war before.
Answer:
Lee lead 2 invasions on the North. One led to Antietam in 1862. The other led to Gettysburg in 1863.
Explanation:
Answer: [D] Both wars sparked worry about the spread of communism which were a part of a larger conflict between the United States and the Soviet Union.
Both hated opposition and eliminated all forms of dissenting views.
