How do political parties influence public policy? a. they try to get their members elected whom they expect to vote along the party platform on issues. b. they lobby the members of legislative committees to convince them to vote a certain way on bills. c. they have considerable power in influencing judicial decisions on difficult civil and criminal trials. d. they select who will serve as advisors to the members of the executive and legislative branches.

The correct answer is A. They try to get their members elected whom they expect to vote along the party platform on issues.

Political Parties have their political platform - Democrats defend social and economic equality, the welfare state, support of labor unions, social programs and others. Republicans defend free market capitalism, strong national defense, deregulation, restriction on labor unions and others - and the way they can influence which platform is transformed into public polity is electing members that can vote in favor of them or not.

The answer you are looking for is the first one!

Have a great day!

from the conditions of the working class in england by friedrich engels,the main idea is :