Between 1935 and 1937, Congress passed three separate neutrality laws that clamped an embargo on arms sales to belligerents, forbade American ships from entering war zones and prohibited them from being armed, and barred Americans from traveling on belligerent ships.
It was justified because he did what anyone else with the opportunity would do. His businesses practices were creating monopolies and trusts but what he was doing wasn't illegal up to a certain point in time when the courts decided to intervene. They all did it and they all became immeasurably wealthy. The government responded by introducing new laws to prevent such trusts and the labor was unsatisfied because they controlled everything.
The hiring and firing of the workers when presidential administrations changed in 19th century was known as spoils system. It began when president Jackson became the president in 1829. His supporters thought it necessary to reform the federal government. His opponent opponent considered it to be a corrupt be a corrupt method for political patronage. The opponents liked to call it spoils system. The phrase was first used by Senator William L. Marcy in his speech. President Hayes wanted to reform the civil service appointments which were based on spoils system and tried to change it with merit system.
The west coast is more air polluted
As with most locations for settlements in any civilization the key factor is settlements were located in the lowlands where the land was fertile and could be farmed. Geography is very important when a site is picked for settlement. The site must be able to support human activity.