Multiple outlets report that Russia and the United States are encountering significant resource constraints in ongoing wars, despite differences in objectives and battlefields. The articles argue that Russia is struggling with manpower shortages, which they say limits its ability to sustain and expand military operations. In parallel, they contend that the United States faces ammunition and munitions shortfalls, affecting its capacity to support continued fighting. Across the coverage, the central theme is that maintaining war efforts is becoming harder as supply limitations tighten. The articles also frame these challenges as outcomes of strategic decisions made by political leaders, describing the wars as ones that were started without what the writers call provocation. While the reports use a critical tone toward the leadership involved, they generally align on the factual claims that staffing pressures on the Russian side and ammunition constraints on the US side are complicating efforts to continue fighting. The sources do not present detailed, comparative casualty figures or specific logistical statistics, but they consistently point to shortages as a key driver of the reported momentum and operational difficulties.