Answer:In the next 50 years, Cornelius Vanderbilt, John D. Rockefeller, Andrew Carnegie, J.P. Morgan and Henry Ford became engines of capitalism, building transportation, oil, steel, financial industry, and automobile manufacturing in a way that changed the world, and making the United States a world
The third and the first statements, I believe. I could be wrong.
C. A university designs a new building to ensure that astronomers will be able to easily observe the night sky
