<span>Good Morning!
Many analysts call the conflict between the south and north, in the American Civil War, a "tariff war". The north financed its industrialization through high rates of imports of primary goods, which undermined the economic functioning of the south, which in turn required agricultural machinery.
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Answer:
B- Variable ratio
Explanation:
In operant conditioning, a variable-ratio schedule is a schedule of reinforcement where a response is reinforced after an unpredictable number of responses. This schedule creates a steady, high rate of responding.
Shea is purchasing the tickets despite losing the other time, which conforms with the reinforcement and rate of response.
Gambling and lottery games are good examples of a reward based on a variable ratio schedule.
Countries trade<span> with each other when, on their own, they do not have the resources, or capacity to satisfy their own needs and wants. By developing and exploiting their domestic scarce resources, </span>countries<span> can produce a surplus, and </span>trade<span> this for the resources they need.</span>