What is it called when a law is indefinite, uncertain, imprecise?

What were three advantages the north had in the civil war? it was fighting most battles on home ground. it had a greater number of soldiers. it had more highly skilled military leaders. it had a stronger navy. it had a better network of railroads. pick three .

Which of these constitutional amendments made all people born or naturalized in the united states into citizens of the united states ?

Why did kennedy choose lyndon b. johnson to be his running mate