Answer:
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If nations work together, they can effectively fight humankind's common enemies.
Since you provide no options, the statement that best described Samuel Gompers role in relation to the goals of organized labor is : He created American Federation of Labor, which became the largest organization of workers in the united States
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They wanted to share their faith like any other religion. In the Umayyad dynasty, there was less of an incetive to share the faith because believer would have to share the booty. But in the abbasid Empire that was done away with so the mass conversions were encouraged for all people of the empire. In order to have a more unified and loyal system, converters were considered equal to the first believers. By encouraging converts it may have helped their empire unify better and helped administration in the government as many Persians dominated the imperial administration. Good question by the way