BRASILIA, Brazil —
Hakim called said that for the government the protests were "a puzzle in the midst of a huge labyrinth maze and she can't figure out the best direction to take."
Carlos Cardozo, a 62-year-old financial consultant who joined Friday's protest in Rio, said he thought the unrest could cost Rousseff next year's elections. Even as recently as last week, Rousseff had enjoyed a 74 percent approval rating in a poll by the business group the National Transport Confederation.
"People want to see real action, real decisions, and it's not this government that's capable of delivering," Cardozo said.
Social media and mass emails were buzzing with calls for a general strike next week. However, Brazil's two largest nationwide unions, the Central Workers Union and the Union Force, said they knew nothing about such an action, though they do support the protests.
A Thursday night march in Sao Paulo was the first with a strong union presence, as a drum corps led members wearing matching shirts down the city's main avenue. Many protesters have called for a movement with no ties to political parties or unions, which are widely considered corrupt here.
In the absence of such groups, the protests have largely lacked organization or even concrete demands, making a coherent government response nearly impossible. Several cities have cancelled the transit fare hikes that had originally sparked the demonstrations a week ago.
Demonstrations for Saturday have been called by a group opposing a federal bill that would limit the power of prosecutors to investigate crimes.
The one group behind the reversal of the fare hike, the Free Fare Movement, said it would not call any more protests. However, it wasn't clear what impact that might have on a movement that has moved far beyond its original complaint.