This is the answer because a lot of people came which is negative because they don't have as much stuff as the U.S so now they can only have one child and if they have more either they'll give to the foster system or will likely execute them.
The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, beginning in the United States. The timing of the Great Depression varied across nations; in most countries it started in 1929 and lasted until the late-1930s