Cash Management

You are a cash manager of a MNC based in the United States. One of your responsibilities is to gain the highest yield for your treasury cash. Go to Bloomberg https://www.bloomberg.com/markets/rates-bonds/government-bonds/us . and click on a country to review its interest rates. Select a country to invest in for one year. Describe why you chose that country and your expected yield for the next year.

Are modernized countries a better choice overall? Or, does one need to look at both external and internal factors?