Over the years, Musk and his businesses have received at least $38 billion in government contracts, loans, subsidies and tax credits, often at critical moments, a Washington Post analysis has found, helping seed the growth that has made him the world’s richest person.

Americans across the country are deeply split over Mr. Musk, with some welcoming his cuts to government and others outraged at what they see as an abuse of power.

To rally support for his effort to impose an email questionnaire on federal employees, Elon Musk resorted to one of his favorite tactics: posting a poll on X. “Should all federal employees be required to send a short email with some basic bullet points about what they accomplished last week?