Which sentence tells when Chinese characters became standardized?

There is no sentence that shows us what it means. Sorry :(

Explanation:

Peace is when we talk about inner peace it refers to the peace of mind. Inner peace is defined as standing to keep oneself strong in the face of discord or stress. Peace means serenity, calm, silence and a healthy state of mind without anything that causes stress. There are several ways to achieve inner peace which will definitely lead people to improve their lives and become a healthier person in all aspects. Many people find it way too difficult to find their inner peace due to the fact of all the stressor that come out everyday which get the best of them. Finding peace and happiness in the little joys of life can seem like a lot of work, and results do not seem all that gratifying. Achieving spirituality is a step-by-step process; there are ways through by which one can become more spiritual every day. There are a few things people can do to achieve inner peace. The implication is the first one of them