[Support] to bring about

[jctgf]

hi,
I have just learned this phrasal verb and I'd like to know if it can be used in both informal and formal situation, please.
Follows a few examples:

Mr. Brzezinski claims with some pride that he helped bring about a marriage of Thailand and China to provide a new home...

And that, Diane, points up the dilemma that these cases bring about.; I think the efforts that our examiners have made to try to bring about a sense of reality on the part of bankers has caused bankers to look…

Interventionists feel there's so much at stake that we must involve ourselves in it and try to bring about a result we want.

We should try to bring about a situation in which it is…

Thanks.

[Neillythere]

Hi jctgf

As a Brit, but not a teacher, I, personally. have no problem with its use in either a formal or informal context.

Regards
NT