Choose the correct answer.  

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

Choose the correct answer.  

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

Choose the correct answer.  

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

Choose the correct answer.  

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

Choose the correct answer.  

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

Choose the correct answer.  

Globalization ______ cultural diversity by introducing different traditions worldwide.

Choose the correct answer.  

When an area becomes overcrowded, it can lead to a rise in ______ and create problems with security and housing.