Once your account/channel is terminated, you should receive an email with more info including the reason. Also, if you it happened in error, you can always appeal. Here's more info: https://yt.be/help/zKf6 . Hope this helps.
Hi again, we just heard back & after carefully reviewing your account, our team has confirmed that it violates our Community Guidelines which prohibit spam, scams or commercially deceptive content and has decided to your account suspended. Learn more here: https://yt.be/help/hb8L