Answer:
The meaning of guns and butter is an economic policy choice of whether a nation is increasingly keen on burning through cash on war or taking care of its people.
trade-off: If you put more cash toward weapons then you are surrendering another advantage which is a trade-off.
opportunity costs: As an economy delivers more weapons (military spending) it must diminish its creation of bread and butter (food), and the other way around.
The Red Scare which was basically another Cold War threat although it never fully escalated.
Explanation:
What was the most important reason why the Union wanted to capture Richmond? Richmond was the capital of the South. Why did the South need support from Europe? The South needed money for the war effort.