The answer is D, Pictures of families saying goodbye to soldiers at the airport.
In the far past, I presume? Serfdom. The regressive system of working peasants to near-death while in-turn offering them basic necessities and protection on a set plot of land, owned by a feudal lord.
Between about 1855 and 1859, Kansans engaged in a violent guerrilla war between pro-slavery and anti-slavery forces in an event known as Bleeding Kansas which significantly shaped American politics and contributed to the coming of the Civil War.
Answer:I thlink D.nationalism
Explanation:(happy to help)