What did the federalist believe about state sovereignty

Popular Sovereignty.

Explanation:

Thus, they tended to support the Articles of Confederation, in which the Congress (national legislature) dominated the government. By contrast, the Federalists believed that power in the national government should be shared by legislative, executive, and judicial branches.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

2 is armenia i think