The government is reviewing its security policy.
Abbreviation of 日米安全保障条約. Refers specifically to the treaty between Japan and the United States.
See also: 日米安全保障条約
The Security Treaty is the foundation of the Japan-US alliance.
anti-security-treaty campaign
Abbreviation of 安保闘争. Refers to the large-scale protests against the US-Japan Security Treaty, particularly in 1959-60 and 1970.
See also: 安保闘争
The 1960 anti-security-treaty campaign became a massive social movement.
The Security Treaty was revised in 1960.
The students took to the streets in opposition to the Security Treaty.
安保 is the everyday shorthand for 日米安全保障条約, the full official name of the US-Japan Security Treaty.
安保 alone can refer historically to the protest movement, but 安保闘争 is the explicit term for the campaign itself.
Standard abbreviation; widely used in news and political contexts.
Abbreviation of 安全保障 (security), formed by taking the first character of each component word.