Answer: Option(a) is correct option
Explanation:
As per theory of Lepper and colleagues (1973), rewards play a major role in motivation of a student for performing activity as compared to non-rewarding activity.They describes about undermine of performance due to presence of reward in certain time and situation.
According to the question, Joseph will tend to paint in future because he has seen it as the method of earning money as reward rather than making it a passion or enjoying painting.He is interest in money majorly
Other options are incorrect because Joseph becoming an artist in future, still carry out painting passion even if aunt stops rewarding him and money rewarding painting are considered better than no-money rewarding painting are not the outcome of scenario. Thus, the correct option is option(a).
Short term:
•Unification of Mongolia.
•Immediate decline of Jin Dynasty in •China as well as several Central Asian nations including the Kwarezmid Empire.
•Establishment of the Mongol Empire.
•Unification of much of Central Asia, •Northern China, and Mongolia.
•Significant number of deaths (in the millions) resulting from wars and Mongol tactics.
Long Term:
•Increased trade between East and West as the Silk Road was united under one empire.
•Increased cultural exchange between east and west.
•Possibility of the accelerated spread of the Black Death due to the interconnectedness of East and West during the Mongol empire.
•Collapse of the Song Dynasty under Kublai Khan.
•Several descendent states and families from Ghengis Khan which continued to influence course of history in the West, Central, and Southern Asia including the Crimean Khanate, the Golden Horde among others.
•Rise of the prominence of Moscow.
Upward Control is one of them