Humanitarian crises can result from natural or man-made causes. consider th
mandlade
civil war leaves many refugees fleeing south sudan
nahar
a tsunami cases
a tsunami causes damage to many countries along the indian ocean
an outbreak of malaria leaves many thousands in need of medical care.
large factories have leaked pollutants into the ocean and cleanup efforts

An outbreak of malaria leaves many thousands in need of medical care.

Option C

Explanation:

Many humanitarian crises harms the environment and it leads to damage of the ecosystem f our planet. Like with over population in some countries, it had led to problem in shortage of food and other resources and spreading waste material everywhere.

This led to spreading of the disease malaria which took lives of many. Setting up of factories also led to pollution in the nearby environment making it hazardous for the people to inhale that gas and also pollutes water resources of that area.

an era of negotiation.

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