What did Martin Luther king and Abraham Lincoln believed in and what were there goals to accomplish relating to slavery!

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What is political gerrymandering, what does is accomplish, and why might legislators use this tactic in redistricting

The devahrime system was created in order to : a. promote the expansion of sikhism in the ottoman empire b. illuminate the influence of christianity in the ottoman empire c. create trade relationships between the ottoman and mughal empires d. provide the ottoman empire with trained professional soldiers