Field mice do not have an "economy". An "economy" is a human invention.
they will be extinct
The Republic of South Vietnam did not benefit; they became extinct. The allies that supported RVN gained valuable military experience; especially in the field of aerial super-sonic jet warfare.
Green's Peak
Field Combat happened in 1985.
Chaos Field happened in 2004.
Field Commander happened in 2006.
King's Field happened in 1994.
Corkbush Field happened in 1647.
Battle of Grobnik field happened in 1242.
Junior Field Trips happened in 1995.
King's Field II happened in 1995.
King's Field IV happened in 2001.