power base
noun/ˈpaʊə beɪs/
/ˈpaʊər beɪs/
- the area or the people that provide the main support for a politician or a political party
（政治人物或政党的）权力基础，后盾 - His power base is in the south of the country.
他的权力基础在该国南部。 - a politician with a rural power base
在农村有着大量支持者的从政者
- His power base is in the south of the country.