D. all of the above
In the Munich Agreement, Prime minister of Britain, Chamberlain, agreed to give Hitler the Sudentenland (an area of Czechoslovakia easily accessible from Germany) in exchange for him to not invade the entirety of Czechoslovakia.
-4(3x-3)+9(x+1)
(distribute -4 through the parenthesis)
(distribute 9 through the parenthesis)
-12x-12+9x+9
(collect the like terms)
(add the number)
-12x + 9x - 12 + 9
answer is
-3x + 21
Known as the big three which consisted of Franklin Roosevelt, British prime minister Winston Churchill, and Joseph Stalin.
I think citizens should know about pearl harbor because it was an American tragedy and it got the Americans into WW2.