From the passage it seems that for a country to achieve economic prosperity, it ____ .

Economic dynamics have decisively shifted from the
national economy. From now on, any country and also
any business, especially a large one that wants to
prosper will have to accept that it is the world
economy that leads and that domestic economic
policies will succeed only if they strengthen or at least
do not impair the country's international competitive
position. This may be the most important - it surely is
the most striking - feature of the changed world
economy.