Aprimary reason for japan’s involvement in the sino-japanese war and the russo-japanese war was 1)acquire natural resources in manchuria and korea2)control trade and markets in southeast asia3)end japan’s policy of isolationism4)remove foreign invaders from japanese soil

A primary reason for Japan's involvement in the sino-Japanese war and the Russo-Japanese war was to : Acquire national resource in Manchuria and Korea.
Japan almost has very little metal and oil resources. The invasion of Manchuria and Korea was an economic strategy, to fulfill the citizen's need for these resources.

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t