He applied his skill in engineering to toughen up the defence
What producers consider labor to be is SERVICE. When we define service, service is any action that is considered valuable both to the producers and the consumers. This serves as the medium between the two. What the producers produce are being distributed to the consumers through different types of services or labor. Hope this helps.
Answer: The correct answer is Shaping.
Explanation:
Shaping occurs in operant conditioning when succesive aproximations of a certain behavior are reinforced.
In shaping a target behavior is stablished and then the succesive trials towards that target behavior are reinforced.
In conclusion, the correct answer is shaping.
Class comprising semi-autonomous peasantry and small-scale merchants