Short answers, pulled from the story.
The term Arab world refers to a geocultural region spanning West Asia and North Africa. It comprises 22 member states of the Arab League, though some definitions limit it to 19 countries where Arabs form at least a plurality of the population.
Arab expansion began with early Muslim conquests during the 7th and 8th centuries. Iraq fell under control in 633 CE, while the Levant was conquered between 636 and 640 CE and Egypt was taken over in 639.
Lebanon gained independence in 1943, followed by Syria and Jordan in 1946. Libya became independent in 1951, Egypt in 1952, and both Morocco and Tunisia in 1956.
Pan-Arabism peaked during the mid-20th century but mostly abandoned as an ideology after the 1980s. Historical divisions, competing local identities, and geographical sprawl caused the movement's failure.
Wars occurred in 1948, 1956, 1967, and 1973 before an Egypt-Israel peace treaty signed in 1979 ended hostilities between those two nations. Lebanon experienced a civil war from 1975 to 1990 causing approximately 120,000 fatalities.
The Arab world contains 456 million inhabitants according to World Bank data from 2021. Modern Standard Arabic serves as an official language while dialects function as lingua franca across regions.