It must be considered that with the assistance given by United States, they were not only helping people, but also sharing their culture and teaching Japanese thigs from the other side of the world that they didn't know. So, if US hadn't proveded assistance, it would've taken Japan way longer to recover after war, and they wouldn't have the same society they have nowadays, as it shows it is influenced in several ways by the American culture.
Yes they have because they have been there in great condition
Homo habilis which means in latin "handy man".
