Answer:
<em>Pre-operational Stage</em>
Explanation:
The <em>pre-operative phase is the second phase in the cognitive development theory of Piaget.</em> This phase starts around 2 years of age when kids begin talking and lasts until about 7 years of age.
Children <em>start engaging in symbolic play during this phase and learn to control symbols. Piaget observed, however, that concrete logic is not yet understood.</em>
Rudder is a Chinese innovation permitted boats to move their sails and to cruise into the twist interestingly. The most punctual say of the ship rudder originates from a picture on a bit of stoneware which goes back to first century in China, amid the Han Dynasty. This originates before the presentation of the rudder in the Western world by around a thousand years.
Your answer is personality stablization