Which sentence uses a prepositional phrase unidiomatically?

i know it

Explanation:

Worldwide unemployment and poverty have grown enormously since the UN launched the World Day for Social Justice in 2007, and governments have failed to fix the problem. Powerful financial and business elites are stilldictating policy and ordinary people continue to bear the burden. Even in the Middle-East and North Africa, where millions have risen against dictatorship and repression, anti-democratic forces are gaining ground and preparing to turn the clock back,” said ITUC General Secretary Sharan Burrow.

pls mark brainliest