Google gives you suggestions based on what other people are searching for. The following map shows the top suggestion for the question “Why does …?”

for European countries, e.g. what comes up after “Why does Germany …”.
However, the suggestions differ from country to country. To generate the map, I used a VPN based in New York, so the results reflect what Americans search for.
If you access Google from another country (or perhaps even a different part of the US), you may get different suggestions…Article and map source: