Answer:
August 13, 1961
Explanation:
The Berlin Wall was built by the German Democratic Republic during the Cold War to prevent its population from escaping Soviet-controlled East Berlin to West Berlin, which was controlled by the major Western Allies.
The Harlem Renaissance began to emerge in the midst of an intellectual and social upheaval that eventually emerged and spread throughout the twentieth century African American community. Something that happened shortly after the North American Civil War that ended up generating a black middle class, something that greatly favored the emergence of jobs and better education for the descendant Africans.
Although i cant see the cartoon, you can easily eliminate b and c, the most likely answer is a.