The answer (I believe) is C. Definitely not D, and B. seems unlikely too along with partnerships.
1. it stopped the spread of slavery north of the Ohio river
Andrew Carnegie (<span>/kɑːrˈneɪɡi/</span> kar-nay-gee, but commonly <span>/ˈkɑːrnᵻɡi/</span> kar-nə-gee or <span>/kɑːrˈnɛɡi/</span> kar-neg-ee;[4] November 25, 1835 – August 11, 1919) was a Scottish American industrialist who led the enormous expansion of the American steel industry in the late 19th century. He is often identified as one of the richest people and one of the richest Americans ever.[5] He built a leadership role as a philanthropist for the United States and the British Empire. During the last 18 years of his life, he gave away to charities, foundations, and universities about $350 million[6] (in 2015 share of GDP, $78.6 billion) – almost 90 percent of his fortune. His 1889 article proclaiming "The Gospel of Wealth<span>" called on the rich to use their wealth to improve society, and it stimulated a wave of philanthropy. </span>
Answer:
a. promoting the interests of the working class
c. state sponsored social programs
Explanation:
Promoting the interests of the working class, both through state sponsored social programs and through other means, are a staple of the social democracy in Europe. These initiatives, however, come at the cost of higher taxes. Communism is a seperate system, although it does share some similarities.