The effect of commercialization on the music became an increasingly contentious issue.

The participants agreed that environmental issues would become an increasingly contentious issue between industrialized countries and those just beginning their economic development.

The increase immediately became grist for an increasingly contentious presidential campaign.

But the fact of a broad understanding may help calm the two nations' increasingly contentious relations.

The issue has turned increasingly contentious over the years.

But determining the value of those options has become increasingly contentious.

The issue of cargo security has become increasingly contentious on Capitol Hill.

She was increasingly contentious and could not keep household help.

The increasingly contentious atmosphere suggests that the budget negotiations during the next six weeks may get nasty.

But in the complicated political world of deaf culture, Laurent is an increasingly contentious idea.