Answer:
please make the picture clearer and bigger so I can answer... thanks!
Explanation:
Joseph Stalin was the one who did the great purge in around 1920s-1940s
Economic sanctions directly impact the economy of the subjects country. Therefore a trade ban would be an economic sanction. 1 and 4 would be damaging to diplomatic relations but not the economy and 3 is military intervention which is not solely an economic action.
