Worldbuilding without the post-WW/WWII/Cold War glasses (TL, CR etc.)

[David Johnston2]

Originally Posted by vicky_molokh

On passports: to the contrary, increased mobility were the reason behind the passports not being strictly enforced before WWI.

The discussion of gun laws in the other threat seems to indicate that many firearms became restricted roughly with the start of WWII. Whether it was linked or a coincidence I'm not as sure as you are that it is the latter.

Al Capone and his ilk were the cause of the restriction on submachine guns in the United States in 1934, but Britain of course started on it much earlier. In 1870 it became illegal to carry a gun off of one's property without a license.