The question is Which trading partner is shared by both countries? The countries is Germany and Italy

A. Japan
B. Norway
C. Russia
D. United States

Probably the United States.

Check this site or your book to be sure.

http://www.auswaertiges-amt.de/diplo/en/Laenderinformationen/01-Laender/Italien.html

japan

To determine which trading partner is shared by both Germany and Italy, we can follow these steps:

1. Search for information on Germany's trading partners. You can use search engines like Google or Bing to find reliable sources such as government trade websites, international trade organizations, or economic research institutions.

2. Look for a list of Germany's top trading partners or a breakdown of its import and export destinations. This information can usually be found in official trade statistics or reports.

3. Identify Italy among Germany's trading partners. Check if Italy appears on the list of top trading partners or has a significant share in Germany's imports or exports.

4. Repeat the process for Italy. Search for information on Italy's trading partners and determine if Germany is listed as one of them.

By following these steps, you can find that the correct answer to the question is D. United States, as both Germany and Italy have the United States as a shared trading partner.