What is the significance of Layli Long Soldier’s poem “38”?

Layli Long Soldier’s poem “38” is a protest poem about the 38 Dakota men executed in 1862 under U.S. Pres. Abraham Lincoln’s orders for their roles in the Sioux Uprising (also called the U.S.-Dakota War of 1862). It highlights the largest mass execution in U.S. history and critiques the accepted narratives of American history.