Which of the following scenarios best illustrates the idea of blowback?
A. A country signs a treaty to obtain oil from its neighbor, resulting in both countries earning huge amounts of money.
B. A country assassinates a foreign leader, causing the leader's supporters to detonate bombs in the country's embassies.
C. A country demands that its citizens follow a particular religion, leading many citizens to practice a religion they did not choose.
D. A country invades one of its neighbors with a massive military force, allowing it to capture and occupy key cities.