In order to offer products in different countries, you should:
- Always set prices in USD
- Use one feed for all products
- Use the same landing pages globally
- List the products in the local language
In order to offer products in different countries, you should
The items or data feed uploaded to a selected target country must meet the requirements for the target country you submit to, including the feed specifications and policies. For example, your data feed needs to list the products in the local language, the product landing pages need to be in the local language, and your prices need to be in the currency for the target country.
Read more here: https://support.google.com/merchants/answer/188475?hl=en