How would you describe the interaction between opposite (N-S or S-N) magnetic poles?

They attract to each other

Explanation:  

When two same poles come closer to each other, they are repelled by each other. North and North pole will repel each other and likewise with south pole.

When two different poles come closer to each other, they are attracted to each other. North and South pole with attract each other.

We are asked the interaction between two opposite poles, so the correct answer is that they are attracted to each other.

answer; importance to people; or acceptance;