Final answer:
The question asks how many PDPs will be offered across all 50 U.S. states and Washington, D.C., and the answer is two.
Step-by-step explanation:
Based on the information provided, the subject of this question falls under Social Studies as it pertains to the United States presidential election process. In the context of the question, 'PDPs' likely refers to Presidential Debate Programs.
The question is asking how many PDPs will be offered across all 50 U.S. states and Washington, D.C. Since debates help inform voters about the candidates' positions and are crucial for democracy, it is important to ensure that debates are accessible to citizens across the nation.
Therefore, the correct answer is two (a) since there are typically two major party candidates in the general election who participate in a series of debates.