Passage: In the Ansei Reform (1854–1856), Abe then tried to strengthen the regime by ordering Dutch warships and armaments from the Netherlands and building new port defenses. In 1855, with Dutch assistance, the shogunate acquired its first steam warship, Kankō Maru, which was used for training, and opened the Nagasaki Naval Training Center with Dutch instructors, while a Western-style military school was established at Edo. In 1857, it acquired its first screw-driven steam warship, the Kanrin Maru. Scientific knowledge was quickly expanded from the pre-existing foundation of Western knowledge (Rangaku, "Dutch learning").

Question: What nation's ships did the Ansei Reform attempt to use?
Dutch