Canada braced for US-style attack ads

Political action committees take advantage of fixed election law

Rousseff struggles with approval ratings

Brazilian president’s unpopularity reaches record levels

Mexican peso hits record low — what now?

Strategists take opposing views on currency’s next move

Brazil hails long-awaited EU trade deal

Hopes raised for exchange of offers on tariffs by end of year

Rousseff adviser charts a path for Brazil

With economy set to shrink, Unger faces a difficult task

Rousseff’s US trip aims for domestic lift

Brazil’s president looks to repair relations with Washington

Obama’s big trade bet: What comes next

Tariffs and sensitive industries remain sticking points

Rebels yell: strife over Confederate symbols

Renewed controversy over secessionist banner and what it means

Doubts hang over Fernández succession

Markets dismayed by frontrunner in Argentine presidential race

Brazilian President Dilma Rousseff
©Evaristo Saevaristo/AFP/Getty

Watchdog asks Rousseff to defend accounts

Move seen as sign of institutions’ growing independence in Brazil

Fernández weighs in on Argentine poll

President’s ally on lead candidate’s ticket risks reform hopes

Glimmers of glasnost begin to warm island

Party retains a tight grip but there are signs it is loosening

Thaw in US relations raises expectations

Tentative signs of openness heighten hopes, but is the island ready to do business?

Mexico suffers the costs of lawlessness

Up to 3% of GDP a year lost to crime and violence

Brazil outlines $65bn infrastructure package

Private sector to build and operate roads, airports and railways

Mexico poll eases pressure on Peña Nieto

Party rivals failed to capitalise on president’s unpopularity

Fifa scandal tests Trinidad’s Robin Hood

The football boss divides loyalties but all agree he has influence

Mexico elects independent state governor

Poll result deals further blow to Peña Nieto’s government

Patagonian shale raises hopes and fears

Argentina is sitting on a wealth of undeveloped energy resources

Warner accuses Blatter over Trinidad poll

Former Concacaf chief alleges plot to destroy his country