let's make it clear. money was invented precisely to replace barter which
prevented the expansion of world economy.
this is especially true for countries that have one or two basic goods.
even in thee case of oil and gas, the other countries which have plentiful
and diverse good, will win.
it is not possible to barter precious metals for oil, if the precious metals
are in much highter demand than oil.
money, on the other hand is fungible and can be used for all material.
hence, the system of barter will always remain inferior to the system
of capital. the ussr tried to use barter, but it led to great scarcities
of good, even food items. learn some economics, and the history
above all, learn that peace and the comity of nations is always
preferable to war and pillage.