President Trump is taking steps to overhaul the way the U.S. government invests its money and change the nature of America’s financial presence abroad. The president signed an executive order Monday that kicked off the process of creating a sovereign wealth fund with the goal of generating more revenue for the government.

Trump's executive order to create a U.S. sovereign wealth fund raises important questions — as yet unanswered — around funding, governance, political interference and the purpose that such a fund would serve.

Trump’s executive order creates a sovereign wealth fund to invest in key sectors and possibly acquire TikTok. Here’s how sovereign wealth funds work.