Why did Axum invade and conquer kush?

Axum invaded and conquered Kush primarily for economic and strategic reasons. The region of Kush, located in modern-day Sudan, was rich in resources, including gold and ivory, which were valuable for trade. Additionally, controlling Kush allowed Axum to expand its influence over trade routes connecting Africa, the Arabian Peninsula, and beyond, enhancing its power and economic prosperity. The conquest also facilitated the spread of Axum's culture and Christianity into the region.