Well obviously,its a civil war, so it was between china and china, so china. To answer your question
That would be Japan. Though it isn't necessarily an Island, much less a country.
The Pacific war was fought between Japan and the US, plus allies such as Britain, Netherlands, China, Australia
united nations forces fought against comunist north Korea and soldiers from communist china
China is a communist country. The cold war was between the western countries and the communist countries. China supported the communist countries.
China
they fought against Germany
It was between China and Great Britain
Well obviously,its a civil war, so it was between china and china, so china. To answer your question
China was the first country that fought Vietnam first (google).
The country was Japan, which is actually several islands.
they fought against the axis powers in WWII and they fought against America in the Vietnam War
US & UN (and South Korea, if they weren't part of the UN) against Red China & North Korea.
The Boxer Rebellion was fought in North-East China
China & Britain
The Korean War 1950-1953, against Red China. Nationalist China (Taiwan) was an ally with the US.
The People's Republic of China is the country that is against the Philippines.