Post a list of sources in APA format that you will use in your research paper, with a very brief summary (no more than one paragraph) of each source.

Topic of research paper: My research topic is about the American Tobacco Company which violated the Sherman Antitrust Act

Please help summarize these articles:

Source 1: https://fee.org/articles/antitrust-history-the-american-tobacco-case-of-1911/

Source 2: https://www.ncpedia.org/united-states-v-american-tobacco-co

Source 3: https://globalfinancialdata.com/american-tobacco-and-the-legacy-of-the-antitrust-laws

Source 4: https://www.investmentoffice.com/Observations/Markets_in_History/American_Tobacco_and_the_Legacy_of_the_Antitrust_Laws.html