How does the president act as an economic leader?

One issue of major concern in the United States is the condition of the economy, which is why the President is the chief economist, making decisions which indirectly affect the finances of the nation

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.

explanation:

what are the statements? are there any examples?