a=) Because Indian feudalism refers to the feudal society that made up India's social structure until The Mughal Dynasty in the 1500s. The Guptas and the Kushans played a major role in the introduction and practice of feudalism in India, and are examples of the decline of an empire caused by feudalism.
b=) The peroid of the imperial cholas 850 CE - 1250 CE) in South India was an age of continuous improvement and refinement of Dravidian art and architecture. They utilised the wealth earned through their extensive conquests in building long-lasting stone temples and exquisite bronze sculptures, in an almost exclusively Hindu cultural setting.
<h2>Sorry I only know the answer up to only b no.</h2>
The Charter of the United Nations created an international organization devoted to protecting human rights and diplomacy around the world. The Geneva Conventions helped to establish international law and norms related to war and other interactions of states in conflict.