I think it's B but I am still looking for the answer
Answer:
After Britain won the Seven Years' War and gained land in North America, it issued the Royal Proclamation of 1763, which prohibited American colonists from settling west of Appalachia. The Treaty of Paris, which marked the end of the French and Indian War, granted Britain a great deal of valuable North American land.
When that happen, the citizens will lose their freedom for personal opinion, creating an orwellian society.
When the government allowed to legislate value, they had a ground to punish the people who are disagreeing with the nation's value.
This situation is close to dictatorship-era that kill the people who oppose the leader.
The most significant use was to attack their enemies. submarines were a fairly new weapon technology system and could attack in a more stealthy way.