hope this is helpful
H₀: µ = 170 (the null hypothesis is the hypothesis to be tested)
H₁: µ < 170
A, it would create a reasonable agruement as'' Why would graduating high school give you a good foundation''... compared to the others it's the most logical one as well.
The primary reason why the Articles o Confederation were adopted were because states were very much independent and didn't want a central power controlling them. This became unsustainable however when it came time to pay back war debts. Then came the Constitution.