A power Congress has is called a:

Explanation:

The Constitution specifically describes certain rights and labels them enumerated powers; others have been believed to exist and are considered inferred powers.

they remained in rural areas and worked at jobs such as lumbering or farming.

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).