Answer:
c trade reached 3 continents
Answer:
the german exspansion was because the german people where angry at the treaty of versilles and the apeasment made Hitler think that no one would say no
explanation:
The isolation affected social structure because they didn't know.They could change positions in the feudal system.
The isolation affected there culture because they made there own unique culture from the outside world.The stuff came out was sumo wrestling, painting etc..
There are many more that has been affected but ill only list out 2.