a) Did the treaty become activated as soon as he signed it? _YES / NO, Why or why not? Where is that addressed? Hint: It can be found in Article II, find the section.

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.

d is the answer. leo should include the source.

can you attach the graph and answer options (: