15 000 veterans, many unemployed descended on Washington D.C. to demand immediate payment of their bonus. They proclaimed themselves the Bonus Expeditionary Force vut the public called them "The Bonus Army" . The veterans made the largest camp across the river from the Capital. Approximately 10 000 people lived in the shelters built from old lumber, packing bpxes, scraped tins and straw.
Homesteaders faced the problem of constructing shelter very quickly. To
do so, they often constructed simple cabins. Some also made use of what
was in their environment and built sod houses. These houses had the
advantage of being inexpensive to build, as the homesteaders only needed
to buy materials for constructing the windows, a door, and sometimes a
roof, and sod was cool in the summer and warm in the winter.
The answer is Shay’s Rebellion, in which this spotlighted the problems of governing the new nation under the articles of confederation because neither the national government nor an individual state was strong enough to protect public or private property. In addition, this encounter in Massachusetts results in many to condemn the Articles of Confederation and acknowledge the weak central administration was not functioning. The uprising is headed by Daniel Shays in a determination to stop courts from excluding on the farms of those who cannot recompense the taxes
I believe it is existentialism but I'm not sure. It could also be nihilism or objectivism depending on which philosopher, time period and context of your question. But I'm like 98% sure it's existentialism.
Generally speaking, it would be a "Joint Command" that has line authority to oversee the management of multiple incidents being handled by separate Incident Command organizations, since in this case different agencies are "joined" together.