See this article: “A third of Pakistan is underwater amid its worst floods in history. Here’s what you need to know.”
Some of the basics have to do with the extent of the damages. Imagine 5,000 kilometers of road that have been damaged. That is the distance from Seattle to Chicago and back again. With those roads gone there are also innumerable bridges that have been damaged or destroyed.
The future is easy to predict. Disease, famine, sickness and death. The health-care system has also been wiped out in many areas of the country.