Which event had the greatest impact on culture of south america

"central america is subject to fierce which drop large amounts of on the region. another threat in the region is activity such as earthquakes and volcanoes caused by the shifting of the earth's large waves called may result in mass destruction. frequently crops are wiped out causing in the region." where is the question

The development in there economic is that is that they are a state of business. not to mention there government!

Considering only personal water use, people in the developed world use about  germany was the only country in world war 1 to use u-boats  than people in the developing world