What do all the islamic empires have in common? a. they used gunpowder brought from china. b. they all worked to promote the spread of islam. c. they had a policy of religious tolerance. d. their leaders were descended from genghis khan.

B. They all worked to promote the spread of Islam

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interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.

number 1 is a)