Which is the best example of a primary source document useful in the study of history?

Can they make yummy tide pods again

Iam gonna fail this class ! in 2001 mexico imposed a 20% tax on all soft drinks not made from sugar cane high fractals corn sit-up which is made from corn,is often used in place of cane sugar to manufacture soft drinks. which nation would most likely be impacted by mexico’s policy change?

Which battle was one of the most devastating for