The number one thing that helped spread the belief was the population growth. America need more room for more immigrants.
A primary example of a primary source, ironic wording there.
Would be first hand accounts, documents, journals, text, anything from the era or timeframe where the subject is from.
Ex: Revolutionary War
Primary Source: George Washington's speeches
The establishment of relief agencies
<span>The Great Compromise and the Three Fifths Compromise involved so much debate and discussion because each state was looking out for its personal interests and needs.</span>