European power of France, Britain, Belgium and Netherlands were keen to take advantage of Africa's abundant natural resources including Gold, Silver, Minerals and even Slave labor.
Similarly, the Japanese knew they lived in a small piece of land which was resource-poor and isolated from the rest of the world.
By expanding and colonizing Asian countries, they wanted to take advantage of local resources which including abundant food and millions of people as slaves.
An exclave is a portion of a state or territory geographically separated from the main part by surrounding alien territory (of one or more states). Many exclaves are also enclaves. Enclave is sometimes used improperly to denote a territory that is only partly surrounded by another state.
