What effect did the Demo-2 mission have on NASA? A
It allowed NASA to plan for a new mission to the surface of the moon.
B
It helped NASA improve the design of the space shuttle.
C
It allowed NASA to launch astronauts for the first time since 2011.
D
It helped NASA bring U. S. astronauts home from the ISS.
PLEASE ANSWER QUICKLY

in "letter from a birmingham jail," king argues that there are four basic steps in any nonviolent campaign: "[c]ollection of the facts to determine whether injustices exist; negotiation; self purification; and direct action." finally, direct action is taken and acts such as boycotts and sit-ins are staged.

impartial means: treating all rivals or disputants equally; fair and just.

i would say that impartial is agreeing with something, because impartial means to treat your rivals, arguments, and reasoning equally and fair. so if you rival says something, agreeing on it means you did the impartial.

the correct definition of purity is like something being pure.

ex. the girl was so pure(ity) she was so sweet and gentle, that she couldn't even hurt a fly.

ex. the man had so mch purity he didn't even know how to curse.