Arab Nationalism is a political and cultural movement that seeks to unify Arab people across the Middle East and North Africa. It emphasizes a shared heritage, language, and history among Arab nations, promoting the idea that Arabs should work together for their common interests and identity. This movement gained momentum in the early 20th century, particularly after the decline of the Ottoman Empire and during the struggle against colonialism. Key figures in Arab Nationalism include Gamal Abdel Nasser, the former President of Egypt, who championed the cause in the 1950s and 1960s. The movement has influenced various political ideologies and movements, including Ba'athism and Pan-Arabism, which advocate for unity and cooperation among Arab states.