Can anyone tell me similitudes between the film clash of titans and the original Perseus myth?

Both Greek Mythology both deal with Medusa

Explanation:

Since you have not given the list of options to choose from, here’s a brief information about Legalism. Legalism is termed as “School of Law”. 

In Chinese history, Legalism was one of the four main philosophic schools during the Spring and Autumn Period and the Warring States Period. From 770 to 221 BC was an era of great cultural and intellectual ferment in China, and gave rise to the important Hundred Schools of Thought. Under the political leadership of Li Si in China, his form of Legalism became the predominant ideology in the said country. Some scholars consider this Legalism to have been one of the earliest known totalitarian ideologies