6. after mandela suspended the african national congress's armed struggle in 1990, negotiations between mandela and de klerk led to all of the following, except
a. black majority rule.
b. economy stimulus packages.
c. guaranteed job security for white government workers.
d. universal suffrage.

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.

b.

jim crow laws were enacted in northern states.