The correct option for "Parts of a country behind the coast or a river’s banks" is Hinterland.
Let's analyze each option to understand why Hinterland is the most appropriate choice:
Thus, Hinterland correctly describes the parts of a country behind the coast or river's banks. It is the region inland from these features.
Even though in official statements, the Presidential office has warned against violating the 25th protocol, the government's inaction against the Market group shows the government's tacit approval of the movement. (Choose the antonym of the underlined word)