[8] White Eagle and Standing Bear fought the United States for the freedom to leave the confinements of their reservation in the Indian Territory and return to their ancestral lands in Nebraska.

[19] Chapman stated in a December 2019 public radio interview by PRI The World that Turkish president Recep Tayyip Erdogan was appropriating Native American history after Erdogan made a public statement that he would formally recognize Native American genocide in retaliation for the U.S. Senate recognition of the 1915 Armenian genocide.

Chapman discovered that administrators at Maine West had been claiming for years to have the endorsement of the Cherokee Nation to use the Native American imagery.

[21] After verifying that no such endorsement ever existed, he contacted a journalist at the Chicago Tribune, setting off social media chain reaction that brought Maine West into the long-running national debate over cultural appropriation.

[22] The Tribune ran the story on the front page of the April 6, 2018 edition with Chapman saying the mascot "trades on stereotypical images to serve as entertainment."

Chapman said this particular case was especially egregious because "these educators claim to have some moral authority from a nation, from a legally recognized tribe" to use the imagery, which he called "complete malarkey.

"[23] Maine West's Native American student population—though a small percentage of the overall population—backed the effort to remove the mascot and reached out to Chapman, providing him with other examples of offensive imagery from inside the school such as murals and totem poles by April 10.

Chapman told reporters that "continuing to sanction the dance would be akin to the school choosing to honor a tradition of mockery over its students.

[32] On November 28, 2018, Chapman led Native American criticism of Spanish foreign minister Josep Borrell after he claimed the United States "only had to kill four Indians" to achieve independence and national unity.

Chapman told the Associated Press that McCullough merely repeated the same stereotypes to justify stealing Native American land that the pioneers did when they stole it.

Chapman said Fallin's veto of a nonpartisan bill "defied logic" and was a slap in the face to Native Americans in Oklahoma to deny them a day to commemorate their unique history.

Chapman was asked whether Americans should honor soldiers who fought not in defense of country, but to dispossess native peoples of their land and their lives.