Bacteria as plant pathogens can cause severe economically damaging diseases, ranging from spots, mosaic patterns or pustules on leaves (Figure 5) and fruits, or smelly tuber rots to plant death.
Size of force or number of deaths does not necessarily equate to worst - the question is not what was the largest defeat nor was it what was the defeat with the most casualties. As such, I would suggest that the worst defeat in US military history was the Battle of Little Big Horn, or Custer's Last Stand - a hastily decided attack by Custer left his troops ripe for the picking by the Soux and Apache warriors.
Digital History. The Vietnam War was the longest war in American history and the most unpopular American war of the 20th century. It resulted in nearly 60,000 American deaths and an estimated 2 million Vietnamese deaths. It was the first war to come into American living rooms nightly, and the only conflict that ended in defeat for American arms.