Answer:
The Premack principle
Explanation:
Given by David Premack in 1965.
This principle is based on Operant Conditioning (reinforcement).
The Premack principle states that the chance of getting involved in more predictable activities or behaviors will reinforce less predictable activities or behaviors.
In the given eg. Jean is applying reinforcement, as he asked her daughter that she can play outside after eating fruits.
The correct answer is government owned railroads
Explanation: Rail transport is carried out on railways to transport people and goods. The goods transported in this mode are of low added value and in large quantities as: ore, agricultural products, fertilizers, coal, petroleum derivatives.
There's many terms to choose from but one of the most mentionable is polytheistic