Because it had the technology and capacity to do so. They also had a strong demand for coal abroad, thus they had a greater incentive to industrialise. Coal + industrialisation = $$.
Not only this but the evolving industrial sector for weaving, thanks to the spinning Jenny lead to further industrialisation. The mechanisation of farming led to urbanisation as well. Displaced farmers and their families moving to the cities in search of work.
During this time period, the federal government was relatively weak. Moreover, the Gilded Age was a period in which social assistance was not common, and it did not have the support it had in later years.
Most social assistance was provided by religious institutions due to a change in ideology called the "Third Great Awakening," in which religious attitudes became more progressive. This allowed institutions such as the YMCA, the Salvation Army and Hull House to be established. The federal government implemented programs such as emergency relief programs, work relief programs, and agricultural programs.
These programs were moderately successful. However, their main contribution was influencing politics, which led to the Populist Party and eventually the Progressive movement.
Plants create oxygen for one, they also support the most basic organism which supply other more complex creatures. Plants survive on solar energy and CO2 released by animals.
They delivered short, patriotic speeches to gain support for the war.
