Kenny is at the age where he wants to try everything, using his surplus energy to explore and play with everything in his environment. he is also anxious to explore his social world through conversation and playing games. according to erik erikson, kenny is demonstrating:

The correct answer is Stage 3 of psychosocial development- initiative vs. guilt.

During stage 3 of psychosocial development, toddlers are lively, energetic, inquisitive and eager to explore the world they live in. Children play by themselves and with other children as a means to explore the world and socialize. At this stage of development, children learn to take initiative and choose what games they play, or they make up their own games. 

Sector is best defined as (part).