It would be generally known as the Central government.
The average country [at least in the Indian subcontinent], there are two levels of government. The State government, which governs at the state level and takes care of comparatively smaller issues. The Central government is situated in the capital of the country and takes care of visibly larger issues.
B is the correct one
Mark as branilist
b) A government in which different social groups are given the power to handle the
affairs related to their communities.
different types of power sharing are
Horizontal division of power: It is the sharing of power among the different organs of government. The division of government into the executive, the legislature and the judiciary is an example of horizontal division of power. In such a power sharing arrangement, different organs of government, placed at the same level, exercise different powers.