However,the zone has run into a series of serious complications amid worsening relations between North and South.

VOA: standard.2009.06.05

"We must do everything... to reinforce the transatlantic dialogue and avoid any worsening of relations between Europe and the United States, " he said on Tuesday.

BBC: Iraq rift overshadows EU summit

Another impact of Christian evangelism, in the longer run, may be a worsening of relations with Muslims, who make up about 8% of Kenya's population.

ECONOMIST: The rise of Pentecostalism could change the face of Kenya

The Russian government has abandoned an agreement with the US on fighting crime and the drugs trade, in an apparent sign of worsening relations.

BBC: Russia scraps US anti-drug accord after 10 years