Answer:
The answer is A. The introduction [paragraphs 1-4] of the article explains that Black people organized the Memorial Day commemoration in 1865 to celebrate the victory and honor the dead after the Civil War ended on April 9, 1865, with the Union victorious over its Confederate foes. Around 10,000 freed Black men and women gathered in historic Hampton Park on May 1 of that year and placed flowers on the graves of unknown soldiers, a practice held often in times of war.