Final answer:
The key factor in Federal systems is that a national government cannot abolish regional authorities, ensuring autonomy at the regional level and cooperative governance within the constitutional framework.
Step-by-step explanation:
The key factor in Federal systems is that a national government cannot abolish regional authorities. In federal systems like the United States, there is a division of powers between the national government and the regional or state governments, with both levels deriving their authority from the constitution. While the federal government handles national responsibilities such as defense and economic policies, state governments manage regional issues like education, health care, and transportation. This cooperation is essential for the system's functioning and ensures that different levels of government can operate effectively within their jurisdictions without overstepping their constitutional powers.In federal systems, regional authorities retain a level of autonomy that protects them from being abolished by the national government. This balance prevents the central government from exerting total control over the states and allows for a more localized approach to governance, where states can address the specific needs and preferences of their populations. Moreover, the legal framework provided by the constitution enables each level of government to function within its designated sphere, thereby establishing a stable and democratically accountable governance structure.Federalism also offers a way for multi-ethnic or multinational countries to maintain unity while honoring the diversity of various regions. This system allows for the peaceful coexistence of different groups, all while having their interests represented at the regional level. On the other hand, the central government focuses on universal concerns that benefit the nation as a whole. In conclusion, the defining quality of a federal system is the entrenched constitutional protection of regional governments, ensuring that they cannot be unilaterally dissolved by the national authority.