They increased their power w/out aporoval from government entitlements
In politics the term Regionalism, speaks of the movement or ideology that caters to a certain area or group of people that do not necessarily share the political identity,vision and commonwealth of the nation as a whole but to their individual needs, this was an important factor in the the American Civil War given that the Union(North) and the Confederacy(South) had major disputes over issues such as slavery, states rights and borders and tariffs, that ended up past politics escalating into an armed conflict.
Generally speaking, the US government did practically nothing to combat the rise of monopolies in the US during this time, which is why this era was considered to be one of great wealth but great corruption.
Probably why you asking tho
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "John F Kennedy" since he was killed in Texas while serving as President. </span></span>