of Amsterdam as seen from the seaside, in The Mirror of the Sea. Shortly before the First World War, the city began expanding, and new suburbs were built. Even though the Netherlands remained neutral in this war, Amsterdam suffered a food shortage, and heating fuel became scarce. The shortages sparked riots in which several people were killed. These riots are known as the Aardappeloproer(Potato rebellion). People started looting stores and warehouses in order to get supplies, mainly food.
Germany invaded the Netherlands on 10 May 1940 and took control of the country. Some Amsterdam citizens sheltered Jews, thereby exposing themselves and their families to the high risk of being imprisoned or sent to concentration camps. More than 100,000 Dutch Jews were deported to Nazi concentration camps. Perhaps the most famous deportee was the young Jewish girl Anne Frank, who died in the Bergen-Belsen concentration camp. At the end of the Second World War, communication with the rest of the country broke down, and food and fuel became scarce. Many citizens traveled to the countryside to forage. Dogs, cats, raw sugar beets, and Tulip bulbs—cooked to a pulp—were consumed to stay alive. Most of the trees in Amsterdam were cut down for fuel, and all the wood was taken from the apartments of deported Jews.
Many new suburbs, such as Osdorp, Slotervaart, Slotermeer, and Geuzenveld, were built in the years after the Second World War. These suburbs contained many public parks and wide, open spaces, and the new buildings provided improved housing conditions with larger and brighter rooms, gardens, and balconies. Because of the war and other incidents of the 20th century, almost the entire city centre had fallen into disrepair. As society was changing, politicians and other influential figures made plans to redesign large parts of it. There was an increasing demand for office buildings and new roads as the automobile became available to most common people. A metro
