how does the theory of the four humours explain hippocrates and galen methods of treatments and preventing illnesses

Illness occur due to unbalance of these four substances of body.

Explanation:

The theory of the four humors greatly explained the Hippocrates and Galen  methods of treatments and preventing illnesses because the theory of the four humors helps in the treatments and preventing illnesses. According to this theory, blood, yellow bile, black bile, and phlegm are the four substances from which our body is formed so if these four substances works properly our body is normal whereas if any defect or unbalanced occurs in one of them, it leads to illness.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.

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