What event may have triggered the mass extinction at the end of the permian period?

equal pay act of 1963. the equal pay act, signed in to law by president john f. kennedy on june 10, 1963, was one of the first federal anti-discrimination laws that addressed wage differences based on gender. they felt that this would prevent employers from undercutting future wages for men.

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