Help ASAP! ap world test question

Historians are concerned with the accuracy of their writings and readings but are also aware of the inability of authors to know every angle of every story biases, perspectives, beliefs, and a variety of other differences history being told by one person at a time no one being totally accurate, as hard as we try really need on this, and you^^

Concerns of the spanish treatment of what nation lead to the spanish american war

Which is the best description of a political campaign tactic during the ele tion of 1828