The House on Thursday approved expansive election security legislation that would mandate the use of backup paper ballots and postelection vote audits to guard against potential foreign meddling, seeking to pressure Senator Mitch McConnell to lift his blockade of election legislation in the upper chamber.
Timed to coincide with the July 4 holiday, the House bill, which passed 225 to 184, largely along party lines, is the first and most expansive in a blitz of new measures that House Democrats say they will pass to address vulnerabilities highlighted by the special counsel, Robert S. Mueller III. His report concluded that Russia had conducted “sweeping and systematic” interference in the 2016 presidential election, and members of both parties fear that not enough is being done to prevent that from happening again next year.
Other legislation could include a requirement that political campaigns report to the F.B.I. any offer of assistance from a foreign power, new sanctions to punish Russia and other foreign powers that interfere with the American democratic processes, and bipartisan mandates for social media platforms like Facebook to disclose the purchasers of political advertisements.
But with the Senate in Republican hands, Democrats have another, more immediate target in mind: trying to shame Mr. McConnell, the majority leader, into dropping his opposition to proposals — even bipartisan ones — and allowing his chamber to consider measures to better protect the vote