Al Drago for The New York Times

The House of Representatives on Tuesday approved a resolution condemning white supremacy by a vote of 424-1, reflecting the anger in both parties over comments by Representative Steve King of Iowa questioning why white supremacy is considered offensive.

The resolution begins by citing Mr. King’s remarks to The New York Times: “White nationalist, white supremacist, Western civilization — how did that language become offensive?” It says that white supremacy and white nationalism are “contrary to the ideals of the United States of America,” and details the increase in racist hate crimes over recent years.

The resolution also cites recent deadly shootings by white supremacists in South Carolina and Pennsylvania, attacks that targeted black worshipers and Jewish congregants, respectively.

Mr. King, a Republican, took the House floor to say he would vote in support of the resolution.

The action was part of a still-evolving response that began to take form Monday when House Republican leaders voted to remove Mr. King, now serving…