What benefits does a strong presidency provide to a representative democracy?

A strong presidency grants unity, stability and protection to representative democracy. To satisfy its people's needs, protecting them from foreign powers and from interior agents, weather this could be only uneffective actions or wrong strategies of government administration.

Explanation:

why? well, first of all when a strong presidency establishes its problem-solving strategies, its ideas, its culture, and its codes. it works under an established pattern of behavore. Then the members of the government including oppositive and supporting parties evaluate the presidency's performance and define what they believe the president is doing fine and what is doing wrong. What they believe is good will most likely satisfy the majority's needs. While what is wrong won't do it. In this scenario, the strong presidency will satisfy some needs and look for their people. But what is judged as bad will be subject to evaluation and argumentation to keep doing it or to change it. Because at the end of the day, democratic governments are decentralized systems that can have a big influence from a different perspective in the execution of government management.