What are the 3 main jobs of the vice president?

Other than to succeed to the presidency upon the death or resignation of a president, a vice president's only constitutional duty is to preside over the Senate. Vice presidents cannot vote in the Senate, except to break a tie, nor may they formally address the Senate, except with the senators' permission.

Explanation:

the first two years of american revolution was not very encouraging for the patriots since the british were far superior in sea power, arms and troops.

the four most common systems of greek government were: democracy - rule by the people (male citizens). monarchy - rule by an individual who had inherited his role. oligarchy - rule by a select group of individuals.