The ten most costly wars in the history of the USA

According to a report by the **Congressional Research Service**, here are the top 10 most expensive wars in the history of the United States of America
Source:
(1) Cost of war: The 13 most expensive campaigns in U.S. history - USA TODAY. https://www.usatoday.com/story/money/2019/06/13/cost-of-war-13-most-expensive-wars-in-us-history/39556983/.
(2) The Most Expensive Wars in U.S. History - HowMuch. https://howmuch.net/articles/most-expensive-wars-us-history.
(3) The most expensive wars in U.S. history | History News Network. https://historynewsnetwork.org/article/159484.
(4) Costs of Major US Wars - NHHC. https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/c/costs-major-us-wars.html.