Answer:
the science of getting ships, aircraft, or spacecraft from place to place
Explanation:
USA
Britian
Soviet union
France
China
It’s d special purpose :)) just did this
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.
Because the most important things are not forgotten