To what did the term  mutually assured destruction  refer during the cold war?                 a.  nuclear war      b.  global warming      c.  conventional war      d.  economic collapse 

according to greek mythology, persephone, the queen of the underworld, was the daughter of zeus and demeter, the goddess of harvest and fertility. she was also called kore, which means "maiden" and grew up to be a lovely girl attracting the attention of many gods.

explanation:

b europeans take corn to africa. corn becomes an important crop there.

b) new machinery hope i