"                     Buying and Selling Options"
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"   The Buying option enables a State to Trade Resources or Commodities"
"  with another State or the Rest of the World, a State may only sell"
"  to the Rest of the World if there is a requirement (negative stocks),"
"  it may buy from the Rest of the World if the resources exist"
"  Trade involves setting price and quantity (in units) and transportation"
"  One traded unit requires .1 units of Rail capacity and n (parentheses)"
"  units requires one Tanker, see below"
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"  C.... Coal (2)        O.... Oil (2)        I.... Iron Ore (6)"
"  U.... Uranium (6)     P.... Plutonium (2)  S.... Steel (2)"
"  V.... Vehicles (8)    T.... Tankers (-)"
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