The correct answer is : B
Answer:
Explanation:
n about 260 words, beginning with the famous phrase, "Four score and seven years ago," Lincoln honored the Union dead and reminded the listeners of the purpose of the soldier's sacrifice: equality, freedom, and national unity.
Marx and Engels developed a body of ideas which they called scientific socialism, more commonly called Marxism. Marxism comprised a theory of history (historical materialism) as well as a political, economic and philosophical theory.Answer:
Explanation:
German scientist Alfred Wegener (1880-1930) first proposed the theory of continental drift in 1912, but it was not widely accepted until the 1950s.
