Seoul, South Korea CNN — North Korea says the new intercontinental ballistic missile (ICBM) it tested Thursday was solid-fueled, a development that analysts say could allow it to launch long-range nuclear strikes more quickly and easily as it ramps up its missile program. The new missile, called the Hwasong-18, was launched just after 7 a.m. Thursday, triggering a brief evacuation order on the northern Japanese island of Hokkaido before it fell into the waters east of the Korean Peninsula. State-run Korean Central News Agency (KCNA) reported Friday the missile launch, attended by leader Kim Jong Un and his daughter, “would…