In urban areas, there are more people, therefore not a lot of farmland. (that eliminates C) If city buildings don't allow flood waters to recede, that could be dangerous in many ways. (So A is still a reasonable answer) If most cities are built in flood zones, there should be some form of shelter if houses aren't safe. Pollutants and diseases being carried in water are already dangerous, but easier to spread with rapid flood waters that are sweeping everywhere. So your best answer would be either A or B.
In 1946, Jordan became an independent state officially known as the Hashemite Kingdom of Transjordan, but it was renamed in 1949 to the Hashemite Kingdom of Jordan after the country captured the West Bank (Palestine) during the 1948 Arab–Israeli War and annexed it until it was lost to Israel in 1967.
Two factors that helped Brazil’s economic growth is foreign investments, and exports