(1) the United States would not interfere in the internal affairs of or the wars between European powers; (2) the United States recognized and would not interfere with existing colonies and dependencies in the Western Hemisphere; (3) the Western Hemisphere was closed to future colonization
B and E because the others benefit the citizens but they do not directly help them, where as transport does.
Answer:
Secondary source.
Explanation:
This is because it isn't the account of someone who was in WW1, or someone who was a part of the First Mexican Empire.