Children are being more vocal and they are growing their sense of independency and autonomy. The parents at this stage should provide support for their child. If they can see that your supporting them and helping them grow the child can become more independent. For example, the parents should support kids trying things on their own. It will help grow their independence and the child will be confident in themselves.
As parents though if you do not give that independence to the child they will be overly dependent on you as a parent. They will also feel they cannot do it themselves because you do the work for them. That’s how they will grow up if they are taught like that. Giving an example at this stage, children are just now learning to walk