Choose the word that is CLOSEST in meaning to the underlined part.

Unemployment is a major cause of poverty.

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The city mayor ______ the locals to pick up trash on the beach.

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The project has been carried out to ______ the healthcare system in order to care for more sick people.

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The locals have suffered from water pollution for 3 years, so they need a ______.

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The city council got a group of volunteers ______ up the slums to improve living conditions.

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Over 100 trash cans ______ in public areas to deal with littering.

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The BuildEngi Company ______ a bridge for three months.

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In the past decade, many people ______ from rural areas to urban centers.