They made the group to have more power.
Political parties are legally formed groups oriented to occupy political power. The power of each party is related to the number of elected candidates it possesses. Just as popularity is associated with the number of voters the party can muster. Power and popularity change over time according to their trajectories. The way parties are aligned with their electoral principles and commitments.
It was definitely a success for the most part, cause if it wasn't we wouldn't be where we are politically, technologically, and economically