Answer:
article two of the united states constitution establishes the executive branch of the federal government, which carries out and enforces federal laws.
The Muckrakers were a group of journalists, who would 'rake up the muck' of the slums of america, or other areas, and try to expose it. An example of a muckraker is "The Jungle" by Upton Sinclair Jr, where the meat packaging industry is revealed to be extremely unsanitary and lurid.
The Constitution was an agreement of laws that wouldn't make our government too strong and separated it into 3 branches.
During the early days of industrialization many members of Congress believed that tariffs were necessary to help new American industries compete with larger European industries that were already established. A tariff was a tax placed on a specific item or good being produced. They believed this would protect specific industries rather than the economy as a whole.