Well, From what i know... WWR started in September 1, 1939 because Germany invaded Poland and the U.K and France declared on Germany to protect Poland
Explanation:
Urban Population Density, Climate Change, and Disasters The dense concentration of urban populations can increase susceptibility to the disasters that are likely to become more frequent and more intense as a result of climate change. Many aspects of urban areas are vulnerable to disasters and climate change.
Answer:
There are some countries that its like there were in the paradise and some countries have nothing or sometimes less than that's country with à lot of water