What are the strengths and weaknesses of dualism and monism?

Dualism and monism is a famous philosophy topic from ancient to now. The word "Dualism" means that our physical and our mental are independent. And our body and our mind cannot be the same. It is because of mind and body is two separate substances. In the contract, the "monism" means that both of the physical and mental are combined being one. And our mind and body are indivisible and are each influenced by the …

…can control our physical action, or our mind and our body have different reaction at the same time. For example, when we sit in the classroom, our body will sit in the classroom, but our mind will not listen the lesson from professor, and only think about the outside environment. This is the same idea. In the conclusion, I think that those arguments give me a good basis for a philosopher to believe in dualism.