A dictator in ancient Rome gained total authority by the Senate in times
of immediate danger. True or false

True, the Senate could vote absolute power to a dictator.

Explanation:

Dictator.

Dictator, in the Roman Republic, a temporary magistrate with extraordinary powers, nominated by a consul on the recommendation of the Senate and confirmed by the Comitia Curiata (a popular assembly).

Dictators were then named for lesser functions such as the holding of elections in certain cases.

The Senate could vote to grant absolute power to one man, called a dictator, for a temporary period. During the first 300 years of the Republic, dictators were often called on when Rome faced an invasion or some internal danger.