Families that experience unemployment and poverty over several generations are the underclass.
These are the people who occupy the lowest classes and are frequently jobless and and or in poverty - this also denotes the families in question.
Appears relaxed yet in control
I believe the correct answer would be Japan.
Its becuase plants dont grow every where its only in certain rows
Explanation:

<em><u>Bitcoin is a digital currency which operates free of any central control or the oversight of banks or governments. Instead it relies on peer-to-peer software and cryptography. A public ledger records all bitcoin transactions and copies are held on servers around the world</u></em>