Which situation BEST illustrates the concept of the interdependence(depending on each other) among nations?

Select one:

A) adoption of a policy of economic nationalism.

B) sales of goods by one nation to obtain resources from another nation.

C) establishment by a nation of a system of high protective tariffs.
expansion of international sporting events.

A,b,c is the answer to the question

Answer(12) judaism; ans(11) all of the above; //ans(10) islands that are artificially created; //ans(9) people accept that the caste system keeps order in society and prevent chaos; ///ans(8),brahman; ans(7) the sikhns; ///ans(6); the non-cooperation movement; asn(5)sporadically grant congressional requests; /ans(4) all of the above; ///ans(3) true; //ans(2) true; //ans(1) false;

The name may be in importnce  to them