Savannas do not exist in the United because?

Savannas do not exist in the United States primarily due to the country's varied climate and geography, which support different ecosystems such as temperate forests and grasslands instead. While there are grassland regions, like prairies, true savannas require a specific combination of tree cover and grassland, typically found in tropical and subtropical regions. Additionally, human activities, such as agriculture and urban development, have further altered the landscape, preventing the formation of savanna ecosystems.