Answer:
The correct answer is the option A: memorial day.
Explanation:
To begin with, Carl Sandburg was an american poet famously recognized during the twentieth century for winning three Pulitzer prizes and known as a major figure in the literature of that time.
Secondly, the poem ''Grass'' wrote by him 1918 that forms part of the book Cornhuskers has a main subject that is the grass, stating that it is the one that pills the bodies of the soldiers from differents battles like Waterloo, Austerlitz, Gettysberg and more, therefore that they main matter of the poem is the how the grass works to let the bodies rest in piece in the ground.
Finally the memorial day is a federal holiday in the United States for remembering and honoring the military forces of the country who died while they were on duty. And thats why the most appropiate time to read ''grass'' is on the memorial day to remember the fallen ones during battle.
