What role does the foreign tax credit limitation play in U.S. tax poli

What role does the foreign tax credit limitation play in U.S. tax policy?Why are the income source rules important to a U.S. citizen or resident?

What role does the foreign tax credit limitation play in U.S. tax poli

What role does the foreign tax credit limitation play in U.S. tax policy?Why are the income source rules important to a U.S. citizen or resident?