This nation fought off the Yongle Emperor under Le L?i and the Han dynasty under the Tr?ng Sisters.
One kingdom in the southern portion of this modern day nation had a capital at Indrapura and was ruled by King Indravarman II. Later, that kingdom's capital moved to Vijaya. In addition to the Champa kingdom, a kingdom in the northern portion of this nation fought off the Mongols at the Hong River. The unification of this nation came with the Tay S?n brothers who defeated the northern Trinhs, and again with the rise of Emperor Gia Long. Earlier, this nation gained freedom from Chinese domination with the battle of (*) B?ch ?ang River. This nation fought off the Yongle Emperor under Le L?i and the Han dynasty under the Tr?ng Sisters. For 10 points, name this nation reunified again after the capture of Saigon with capital at Hanoi.
One kingdom in the southern portion of this modern day nation had a capital at Indrapura and was ruled by King Indravarman II.
{Vietnam} [accept {Viet Nam}; accept {Cong hoa xa hoi chu nghia Viet Nam}; accept {Socialist Republic} of {Vietnam}]