How was the expansion of trade and exploration in the post classical era important to china during the song dynasty

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

yes te ottoma empire did fall in the   end but something emerged the answer to this question is turkey turkey ermeged   after the ottoma empires falll