The proportionality principle in the jus ad bellumIt requires the consideration of the likely costs and benefits of doing so, as opposed to choosing alternative courses of action or maybe not. Al this before engaging in war or the use of force.
Hope this helps.
The cold war started because the United States feared the Soviet Union was trying to control the world. There wasn't an actual war but there was lots of tension and fear of nuclear war.
market economy? I think so at least I remember doing something like this last year
The first answer would be answer c. then question 2 would be c also. the third is b