73128
Arab Union On May 28 , 1958 , the United States recognized the Arab Union that formed between Iraq and the Hashemite Kingdom of Jordan on May 19 , 1958 .
 Arab, Arab, Iraq, Jordan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Arab, Arab, Iraq, Jordan