Historical documents<span> are </span>documents<span> that contain important information about a person, place, or event. Most famous </span>historical documents<span> are either laws, accounts of battles (often given by the victors or persons sharing their viewpoint), or the exploits of the powerful.</span>
For 5 points I think that is too little
"They promised bills and laws in favor of immigrants in exchange for votes" is the one way among the following choices given in the question that political machines, such as Tammany Hall, work with and for immigrants.