Any court possesses jurisdiction over matters only to the extent granted to it by the Constitution, or legislation of the sovereignty on behalf of which it functions. The question of whether a given court has the power to determine a jurisdictional question is itself a jurisdictional question.
Rudyard Kipling (1865-1936) , prolific English poet and author wrote The Jungle Book (1894); Kipling enjoyed early success with his poems but soon became known as a masterful short story writer for his portrayals of the people, history, and culture of his times.
But he soon observed that few children's books showcased an African-American or other minority child as the main character. Published in 1962, The Snowy Day was the first book Keats both authored and illustrated, and was a milestone for featuring the first African-American protagonist in a full-color picture book. None of the manuscripts I'd been illustrating featured any black kids--except for token blacks in the background.