Why does martin luther king jr. think it is necessary to create “constructive nonviolent tension” in society

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?

How did political revolutions in the atlantic ocean basin affect or alter the institution of slavery and the lives of slaves

What is significant about official languages in russian republics? why would it matter?