One of the reasons why most Irish Americans favor neutrality was because they were wary of other immigrant populations entering the country as refugees, which would likely happen if America got involved in the war.
War
War times make people very patriotic or nationalistic.
1. For the first one here the missing part would be Supreme Court. Article II of the Constitution establishes a single Supreme Court. In the Constitution it says :"The Judicial Power of the United States shall be vested in one supreme Court". To power to interpret the laws lays within the Supreme Court and the inferior courts.
2. The power to create lower courts, that is "inferior" courts is vested to the Congress of the United States. As it says in Article III: " and in such inferior Courts as the Congress may from time to time ordain and establish." The lower courts that the Congress establishes are inferior to the Supreme Court and thus are termed "inferior", the rulings of the Supreme Court apply to all lower courts.
That Lincoln was a good person to take care of the Union and the common good of the people. Also that the Proclamation was passed due to strong moral conviction because it was the right thing to do