Question

Hello. Will you please tell me if it is possible (and natural) to say:

1) The UN put into effect sanctions against Iran.
2) The UN put sanctions into effect against Iran.
3) The UN put sanctions aganist Iran into effect.
4) The UN brought sanctions against Iran.
5) The UN brought in sanctions against Iran.
Thank you very much for help.

Answer 1

1 and 3 are rather awkward.

2 and 4 are best.

5 is not used.