How was the government different under the Zhou dynasty than under previous dynasties?
Kings were chosen according to heavenly law.

The kingdom was divided into smaller territories, each with its own king.

A bureaucracy was created to help rule.

The king was the most powerful person.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

the answer to your question is a because laws act as guidelines as to what is accepted in society. without it there would be conflicts between social groups and communities. it serves as a norm of conduct for citizens.

battle of the bulge, but are there any multiple choice options?