16. Other nontariff barriers are ∗1p requirements that, one way or another, hinder the flow of an imported product, often by raising its final
a.promotion
b.duty
c.cost
d.price

17. Each nation claims territorial control for some distance from its shores, and vessels operating within those territorial waters are subject to the nation's rules. This statement refers to:
a.Custom
b.Government Authority
c.Port State Control
d.Colonization