"All of the above" are true regarding the Underground Railroad, which is estimated to have helped roughly 100,000 slaves escape to freedom, usually by traveling from the South to the North.
Answer:
The Committee on Public Information (1917–1919), also known as the CPI or the Creel Committee, was an independent agency of the government of the United States under the Wilson administration created to influence public opinion to support the US in World War I, in particular, the US home front.
Explanation:
The answer to your question is intermediate era
They adopted Henry Ford's manafacturing techniques