Question: What is known as the Kingdom and the National Route 13 stretches towards the border?
Sentence (from "National Route 13 (Vietnam)"): The highway starts around Thủ Đức on the northern outskirts of Ho Chi Minh City, once the site of the military academy of the Army of the Republic of Vietnam, and travels north through the provinces of Bình Dương and Bình Phước.
Relevant evidence: No