<span>Thorough secret police spies, programs to give every peasant his own land</span>
B. Learning to domesticate plants and animals changed the way
A is the answer whenever u put a dvd in your dvd player it says that
The Underground Railroad was a network of people, houses, and roads that led slaves from the South to the North to escape their masters and enjoy freedom in the North and in Canada. Conductors were people who led slaves from one house to another to evade Southern rangers who were looking for their masters' lost slaves.
Based from this information, statements 1 and 4 are characteristics of the Underground Railroad.
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.