How do you know ender is intelligent?

Ender Wiggin's intelligence is evident through his strategic thinking and problem-solving skills, which he demonstrates in both his gameplay and real-life scenariOS in "Ender's Game." His ability to analyze complex situations and anticipate others' moves showcases his tactical mind. Additionally, Ender's quick adaptability to various challenges, along with his capacity for empathy, further highlights his intellectual depth. These traits set him apart from his peers and reveal his potential as a brilliant leader.