Donald Trump is once again placing warnings about communism at the center of his political message in the United States. The move, described as a new Red Scare, frames his opponents in ideological terms and makes anti-left rhetoric a key part of the campaign ahead of November’s midterm elections.

A recent speech at Mount Rushmore National Memorial appears to have been an important moment in that effort. Delivered during the highly staged America 250 weekend, the address gave Trump a prominent setting to present a strongly partisan message and sharpen the contrast between his supporters and the political left.

The approach reflects a familiar tactic on the American right: turning elections into a wider cultural and ideological battle. By emphasizing the dangers of communism, Trump appears to be trying to energize conservative voters, deepen fears about progressive politics and recast political disagreement as a threat to the nation’s values.

Seen in that context, the latest messaging is less a new strategy than a revival of an old one. Red Scare language has long been used in US politics to discredit rivals, and Trump’s campaign seems to be drawing on that tradition as it heads into a high-stakes election season.