Sources

-https://www.reuters.com/world/europe/russian-troops-try-advance-ukraines-sumy-region-governor-says-2025-04-29/
-https://kyivindependent.com/russia-steps-up-assault-on-sumy-oblast-kursk-border-as-ukraine-holds-line-syrskyi-says/
-https://kyivindependent.com/trump-threatens-to-back-away-from-ukraine-russia-peace-talks-if-progress-is-not-made/
-https://www.bbc.com/news/articles/c0l0k4389g2o
-https://www.bbc.com/news/articles/c1ldm42eyzmo
-https://www.theguardian.com/commentisfree/2025/apr/14/us-military-aid-ukraine-russia-war
-https://www.pbs.org/newshour/world/u-s-will-immediately-resume-military-aid-to-ukraine-trump-administration-says
-https://www.csis.org/analysis/can-ukraine-fight-without-us-aid-seven-questions-ask
-https://kyivindependent.com/trump-says-he-will-not-impose-new-sanctions-on-russia/
-https://www.politico.eu/article/us-ukraine-ceasefire-doable-marco-rubio/
-https://www.reuters.com/world/europe/china/trump-speak-putin-end-war-ukraine-europeans-demand-ceasefire-2025-05-19/
-https://www.twz.com/news-features/new-russian-offensive-has-gained-little-ground-so-far