The survived in the rice kingdoms of south carolina and georgia, while was preferred in louisiana’s sugar plantations. came to dominate in the cotton and tobacco regions of virginia and north carolina.

Task System, Wage labour, Sharecropping.

Explanation:

Task system was used in the coastal areas of the US, Caribbean in rice and sugar plantations. While Sharecropping was used in North Carolina and Virginia. Share croppers were free people who tilled the land in return they had to pay the rent to the land owners. The sharecroppers were white and black farmers who lacked the money for purchasing land, livestock and seed after the civil war.

Wage labour was used in Louisiana's sugar plantations. It was a socioeconomic relationship between an employer and worker where the labourers sold their labour under an employment contract.  

Task system was the system of labour under slavery found in the Americas. It was considered to be less brutal than slave labour. Slaves working under this system often got the time for recreation and producing goods to earn for themselves. In this system the slaves were assigned specific tasks and they were free for the after finishing the task. It was mostly used in rice, coffee and sugarcane plantations as supervision is not needed while working on their plantations.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.