During the 20 years from 1945 (post-war) to 1965, Japan introduced and popularized the self-constraint parenting method from the victorious countries. In this way, the tendency to ask children to stand on their own feet without relying on their parents is obvious. Because people think it helps to restrain children's dependence and promote self-reliance.

National defense education law

The National Defense Education Act is an education law passed by the US Congress in 1958. The federal government of the United States is authorized to allocate funds and provide a lot of assistance to States, localities and individuals in various ways to ensure the training of qualified talents in quality and quantity to meet the needs of international competition.