India has been a federal republic since 1950
<span>The introduction of ukiyo-e created a demand for Japan</span>
Answer: Concurrent schedule of reinforcement
Explanation: In psychology, such a schedule means representing two or more concurrent schedules that are independent. In doing so, each of them results in reinforcement, and each of the schedules is available simultaneously. This means that each of the independent schedules is equally effective and requires independent responses, where one does not have to respond to each of them.
They were the basic foundation for our great nation to be built upon.