What is a "classical" civilization? why are greece and rome considered classical civilizations?

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?

Whose on-field leadership is responsible for the success of the united states in the battle of new orleans during the war of 1812?

Where did khomeini seize power in 1979?