At the national level, political parties are responsible for A. serving as the presidential candidates campaign statt
B. selecting county party leadership,
c. deciding the parties positions on key issues
D. electing delegates for state convention

Explanation:

In order to prevent this from happening again, they set up a system called a “balance of power.” This meant that they would divide up power among the kings in such a way as to prevent France from rising to power again. National boundaries were redrawn to make it difficult for any nation to become too powerful.