A map titled Japanese expansion, 1930 to 1939. It shows that Japan expanded its territory to include Korea, Manchuria, and part of China on the Asia mainland; and several island groups in the South Pacific.

This map could be used to support a document-based essay on

Japanese industrialization.
Japanese imperialism.
World War I battles.
World War II battles.

This map could be used to support a document-based essay on  Japanese imperialism

Explanation:

Japanese imperialism was a practice adopted by Japan to become a strong nation by taking over those nations which were weak and which were having important resources. Japan imperialize for national security and pride. With that, it wanted a market for manufactured goods.

A map showing how Japan expanded its territory to other countries is giving an example of imperialism. Japanese imperialism resulted in human rights violations. This gave rise to ill-treatments also. Many civilians died.

a historian who compares the expansion of political systems to the expansion of economic systems to the expansion of economic systems is organizing history by theme.

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i think you may have asked this twice, but i answered one of the