1. 1970 (having an 11.04% rate of inflation)
2. Increased involvement in the Vietnam War, Great Society programs fully in effect.
"The late 1960's increase in inflation was due to the increase of taxes, increase the issuance of currency and cutting public expenditures, in the Lyndon B Johnson government, in order they could meet the military expenses they where having at that moment thanks to the Vietnam war."
3. Consumers lose purchasing power with inflation forcing them to buy less.
"If there is an increase in inflation but not in salary, the amount of earnings will not be powerful enough overtime, which means American consumers would be needing more money to satisfy their daily requirements."
Because the soviets had previously signed a Non-Aggression pact with Germany and didn't expect the attack from Hitler (A.K.A Germany.)
Hoped this helped!
I would suggest you start by matching countries to the cities you recognize. For example, Rome is in Italy, which means that "Italy" is N. If you are unsure about others, I'm sure you can google a map of Europe and that will help you fill out the rest :)
C. There are 20 marbles, and 2 of them are green, so your probability of picking out a green one is 1/10. So if you pick lots of marbles and put them back, the probability stays the same. I would say the answer is true.
I reckon B is True, too.