The Trump administration’s policies could cost Republicans in a state that is being hit hard by expensive diesel prices and uncertainty over trade.

The S&P 500 index fell over 1.4 percent, its largest daily decline since July, while the tech-heavy Nasdaq slumped nearly 2.5 percent, that index’s biggest one-day decline since June.

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Russia has sought to separate the war in Ukraine from potential business deals and diplomacy with the United States. Its efforts now appear to be working.

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Renewed hostilities might not be any more successful than the war’s first phase, and President Trump has repeatedly canceled plans for a return to major combat.

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