Объяснение:
Many wars were started less than one hundred years.
Poverty must be prevented by the government.
Famine is a terrible disaster for African people.
Global warming can be stopped by reducing the production of unnecessary goods.
Endangered species must be protected by us.
Pollution is made by plants and factories.
Homelessness can be eliminated by giving rent-free homes to homeless people.
Child labour is used by criminals.
