As a major supplier of oil and natural gas, Russiawill play an increasingly vital role in American life as we search for alternative sources of fuel.

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And since new firms play an absolutely vital role in the innovation process, that means that removing barriers to entrepreneurship becomes increasingly important to maintaining economic dynamism and prosperity.

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For Sandberg that may be an undefinable capacity yet it did play a vital role in her success.

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However, government has a legitimate and vital role to play in supporting an infrastructure encouraging of commerce, setting minimum standards for business conduct, incentivising desirable policies and practices, and penalising those who do not abide by societal norms.

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While Beckham has brought plenty of glitz to England's bid, Dein could yet to play a key role in helping to deliver vital Fifa executive committee votes, despite not having an official role at present.

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Lobbyists argue they play a vital role in improving policy and legislation but their critics claim they are hired by companies to exert an unhealthy influence on the political process.

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