Who was composed by harisena
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Explanation:

Harisena, also called Harishena or Hirisena, was a 4th-century Sanskrit poet, panegyrist, and government minister. He was an important figure in the court of Gupta emperor, Samudragupta. His most famous poem, written c. 345 C.E., describes the bravery of Samudragupta and is inscribed on the Allahabad Pillar.

answer; protectionism fosters competition and keeps price regulated;