In order to implement site custom functionality, a developer creates a new cartridge.
Which step should the developer take to ensure their cartridge changes take effect?

A Digital Developer has created a new PaymentForm controller that requires communication with the server and must be made using the HTTPS protocol.
Which code sample should the Developer use to make sure that HTTPS is used?

A developer has a sandbox configured with a service and its profile and credential. Now there is a requirement to allow changes to the service URL manually from the sandbox.
Which B2C feature should the developer use to achieve the request?

A controller route in the SFRA base looks as follows:

In order to extend this route using prepared ( ), what should the developer consider?

A developer is working on a new site for the U.S based on an existing Canadian site. One of the requirements is a change to the address form. The current Canadian form has an <options> list with the correct two-letter abbreviation for the provinces.
The U.S. requirements are to:
* Have an <options> list with the correct two-letter abbreviation for the states in place of the province field.
* Set the U.S site locale.
* Add the options list field definition to the XML file.
How should the developer set up the files before making the required edits?