How to create a dependent field in extra information on job application flow

Summary:

Need to create dependent fields in extra information on job application flow

Content (please ensure you mask any confidential information):

Business required dependent fields on career site. If the candidate select state from drop down then city dropdown should be based on state selection. Also required country should be pre-populated basis requisition country.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

we have created 3 fields Country, state, city in Person EIT information EFF

Country: the value set reads the countries of Geography table

State: list of values is dynamic based on selected Country