Jane Addams - Hull House
Jacob Riis - How the Other Half Lives
Upton Sinclair - The Jungle
Ida Tarbell - Rockefeller
Answer:
B
Explanation:
Because it showed how they made tools and that they used them.
Answer: His administration defeated right and left-wing anti-Bolshevik armies in the Russian Civil War from 1917 to 1922 and oversaw the Polish–Soviet War of 1919–1921. Responding to wartime devastation, famine, and popular uprisings, in 1921 Lenin encouraged economic growth through the market-oriented New Economic Policy.
Explanation: