this presentation is related to how the world become global village,how trade starts,and how advancement in technology bring globalization.i hope it will be helpful for students and they easily understand that. during pre modern period there was no communication and no globalization people focuses more on there fields.but now today we saw how the world become a global village.we see the whole world just by clicking a button its a.5th generation war if you find any problem then kindly let me know in comment box.