subsistence
Definition of subsistence (n)
1a(1): real being : EXISTENCE(2): the condition of remaining in existence : CONTINUATION, PERSISTENCE
b: an essential characteristic quality of something that exists
c: the character possessed by whatever is logically conceivable
2: means of subsisting: such as
a: the minimum (as of food and shelter) necessary to support life
b: a source or means of obtaining the necessities of life
Note: There's not enough women for men to marry, thus they have to travel abroad to find wives.
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