The second is the Radical party, the traditional alternative to Peronism but recently much diminished and factionalised.

其次是激进派，贝隆主义的一个分支，最近规模急剧变小。

youdao

All the more reason, perhaps, for the first couple to tighten their grip on Peronism.

ECONOMIST: The first lady of Peronism

But only a crushing victory in the province will achieve his goal of dominating Peronism.

ECONOMIST: The battle to control Peronism

Instead, they will probably run outside the party the first time Peronism would enter a presidential election divided.

ECONOMIST: Argentina's collapse