noun
republican government
Refers to a political system in which the head of state is not a monarch and the government is based on elected representatives.
共和政治の下では、国民が代表者を選ぶ。
Under a republican government, the people elect their representatives.
共和制 is a more common term for 'republicanism' or 'republican system', while 共和政治 emphasizes the governmental aspect.
Compound of 共和 (きょうわ, 'republican') and 政治 (せいじ, 'government').