some americans used these events to argue that jackson would be a great president. others used them as evidence that he would be a dangerous president. decide whether each example would most likely be used by supporters or opponents of jackson. example jacksons supporters jacksons opponents while his troops controlled new orleans, jackson had people thrown in jail if they criticized him. jackson successfully defended new orleans by defeating the british. jacksons victory over the seminoles helped the u.s. buy florida from spain. during his invasion of florida, jackson unjustly had two seminole chiefs and two british citizens executed without proper trials.