To fight plunging birth rates, a county in which country is offering cash to brides aged 25 or younger?

Here is the question :

TO FIGHT PLUNGING BIRTH RATES, A COUNTY IN WHICH COUNTRY IS OFFERING CASH TO BRIDES AGED 25 OR YOUNGER?

Here is the option for the question :

The Answer:

And, the answer for the the question is :

China

[STC0017470].