How did the testimony of John Dean and Alex Butterfield contribute to the downfall of Nixon’s Presidency

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.

the picture is not clear

explanation:

ayatollah khomeini can best be described as the leader who declared iran to be an islamic republic.