1. Theories of development and global power – Evaluating how a development theory explains global power structures and economic dominance.

2. Correlation between GDP and military spending – Analyzing the reliability of using GDP per capita to predict military expenditure among the world′s richest nations.

3. Earthquake patterns in Japan – Investigating the spatial distribution of earthquakes and their relationship to tectonic activity.

4. Population density and earthquake risk in Japan – Assessing how population concentration affects vulnerability to seismic hazards.

5. Japan’s economic success and international trade – Evaluating whether global trade is the primary driver of Japan’s economic growth.

6. Sustainability of Japan’s global power status – Examining economic, demographic, and geopolitical factors influencing Japan’s future as a leading global power.