A similarity between slavery and sharecropping was that

Sharecropping is when anyone lives and/or works on land that is not theirs and in return for their effort they pay no bills. Slaves pretty much did the same thing accept for the fact that they were the property of the land owner, without the choice of weather they wanted to work or not. Sharecroppers could decide they didn't want to do it any more and leave, slaves couldn't. The difference between the two is freedom, sharecroppers where free people, slaves were not.

Explanation:

monopolies  came to the united states with the colonial administration. the large-scale public works needed to make the new world hospitable to old world immigrants required large companies to carry them out. these companies were granted exclusive contracts for these works by the colonial administrators. even after the american revolution, many of these colonial holdovers still functioned due to the contracts and land

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depending on what kind of map for example a pltical maps works in many ways this iss how it works it shows the areas and places the democratics and the repbulcicans reside for example if   texas chooses trump for president there a republican state and if   califronia chooses hillary there a democratic state.