On Monday, The Washington Post published the first comprehensive database of every member of Congress who enslaved Black people.

The Post found that more than 1,700 men — and one woman — who served in Congress owned human beings at some point in their lives.

Julie Zauzmer Weil, who covers Washington’s local government, first started the reporting for this massive project when writing about the buildings or sites that could be renamed in D.C. because their namesakes enslaved people or promoted bigotry in public life.

Weil answered questions about the database, which is based on 18th- and 19th-century census records and other historical documents, on Wednesday, Jan. 12. Here are some of the questions:

Read the transcript below.

Looking for more? Read some more reporting from The Post:

Teddy Amenabar, an editor on The Post’s audience team, produced this Q&A.