Research scientists used a standard practice called the scientific method to help them understand phenomena.
Answer:
During the Industrial Revolution, the US underwent a technological advancement and a remake of how the economy worked. One of these technological advancement was the assembly line, which helped speed up production, as well as create "specialized" jobs (jobs in which a worker specializes in a part of the creation, such as creation of the engine and only the engine for a car, for example, in case you are wondering - remove the parenthesis and content inside). These changes in how factories worked helped with the mass exodus of the population from the rural areas to cities for higher pays, which helped with the population boom, and the soon to be restructuring of how cities worked and the services they provided. Without the Industrial Revolution, the US would not be the economically (& later miliatry) giant that she is right now.
~
President Eisenhower didn't want communism to spread throughout the world
Slavery was a key issue in the admission of states into the union. states had to be admitted in pairs, free states and slave states, in order to maintain balance in the union. It was agreed that offsetting the balance would escalate the tension regarding slaverly and tear apart the union.
<span>(a) Organic Solidarity. Organic solidarity is social unity where labor results in people depending upon one another; contrasted to mechanical solidarity. This explains the things that bind an advanced, industrialized society. Preindustrial societies are different as they are societies which are not industrial.</span>
