Foreign countries have their own laws regarding taxation of stocks based in their country. If you pay such taxes, you may be able to claim a foreign tax credit on your U.S. tax return, so that you won't be double taxed. See this TurboTax help article:
https://turbotax.intuit.com/tax-tips/military/filing-irs-form-1116-to-claim-the-foreign-tax-credit/L...
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
