Step-by-step explanation:
LOCATION
Arab: an ethnic group whose ancestry originated on the Arabian Peninsula. This ethnic group dominates the Middle East and North Africa
Persian: the dominant ethnic group of Iran and Western Afghanistan
Kurds: this ethnic group has no permanent homeland of their own. This group is based in the mountain area betwen Turkey, Syria, Iraq, and Iran
LANGUAGE
Arabic: the language that most Arabs speak
Persian and Pashto: Kurdish language is comprised of these two languages
Farsi: the language spoken by Persians
RELIGION
Islam: the spread of this particular religion caused the Arabs to expand off of the Arabian Peninsula
Shia Islam: 90% of Iran and 60% of Iraq belongs to this branch of Islam
Sunni Islam: the branch of Islam that Arabs and Kurds practice