Since 2003, Iran has played an increasing role in Iraq.
The country has played an increasing role in global affairs.
Schools can and must have an increasing role in helping them develop into confident, healthy adults.
In recent years, small individual donations played an increasing role in the project's funding.
Customer service -- or the lack of it -- also plays an increasing role in return rates.
American officials have denounced what they see as Iran's increasing role in arming, training and underwriting antigovernment militias in Iraq.
Alastair Campbell, Tony Blair's spin doctor, played an increasing role in the final weeks of the campaign.
China's increasing role in emissions, compared with the decrease in the US, could redraw the battle lines of the talks.
Mao's nightmare about revisionism played an increasing role in structuring politics in the mid-1960s.
Peptide hormone receptors play an increasing role in cancer medicine.
Catalysis may play an increasing role in the power industry.
