The reforms that was done the Chinese government after the death of Mao was that, they permitted property and other reforms of the economy, as well as some features of free markets. What they did not allow was extension of political freedoms or democratic rights.
I'm going out on a limb here and figuring that you're talking about a specific poster that rings a bell. Basically, it portrays the Germans as evil people, and inspires young British men to enlist in the army to fight them.
Generally speaking, it would be a "nation" that is the term that is is used for “a community of people that shares territory and a government”, since the other options usually reside within said country.
The answer is 4. Because Harry Potter wears glasses, two circles on his face with 2 eyes.