The Chinese constructed the "Great Wall of China." Some difficulties they had to face was possible invasion whilst they were vulnerable and focused on building the wall, invading animals, foreign lands, malfunctions with the building materials, (great stone blocks,) and possible death, since they were building in sometimes treacherous conditions.
1. he wanted a coalition that would be able to regulate the seas and lands so that no one country would have to shoulder all of the burden himself.
Their language was so different and it could not be deciphered by the enemies because there was no way of understanding it.
