Question

Why did Japan aggressively expand in the 1930s?

to find more males to serve in its military
to secure natural resources such as oil
to take control of better farmland for food
to protect itself from invasions from East Asia

Answer 1

Correct answers:
- to secure natural resources such as oil — Yes.
- to take control of better farmland for food — Yes (especially Manchuria, which Japan took in 1931 for land, coal, iron and food).

Why: Japan’s industrial and military build-up required raw materials and markets; the Great Depression, limited domestic resources, growing population and militarist ideology pushed leaders to seize territory (Manchuria, parts of China and Southeast Asia) to supply oil, coal, iron, rubber and food and to create a self‑sufficient “Greater East Asia” sphere.

Incorrect answers:
- to find more males to serve in its military — No. Expansion wasn’t driven by a need for recruits.
- to protect itself from invasions from East Asia — Misleading. Japan was itself an expansionist power in East Asia; it did seek strategic buffers (against the USSR and Western powers) but not to protect itself from invasions by other East Asian countries.