Bureaucracy plays an important role in the operation of the government.

Manorialism was one of the economic systems in medieval Europe.

This change in zoning will have a significant impact on urban planning.

Polygyny is a social system where one man marries multiple women.

Monogamy is a system where one man marries only one woman.

The United States has adopted a bicameral system.

Japanese politics adopts a bicameral system.

He is conducting activities against the institution of conscription.

Funerary practices in Japan vary by region and religion.

The burial practice in Japan is an important culture that symbolizes family ties.