Questions & Answers about La ministro parolis pri la nova leĝo.
In Esperanto, -is marks the past tense. So parolis means spoke or was speaking, depending on context.
The verb stem here is parol- = speak.
So:
- parolas = speaks / is speaking
- parolis = spoke / was speaking
- parolos = will speak
Pri usually means about, concerning, or on the subject of.
So:
- paroli pri io = to speak about something
In this sentence, pri la nova leĝo means about the new law.
This is a very common preposition in Esperanto, and it is often used where English uses about.