The resignation of President Nixon ended a chapter in the relationship of politicians and the media and began a new one.
Politicians were now much more hesitant around the media and the media saw a new role for themselves as investigators in a way not seen since the muckrackers.
God created apes and apes turned into humans and humans made other humans hope this helps.
Texas secession movements refer to the secession of Texas during the American Civil War and the activities of modern organizations supporting such effort to secede from the United States and become an independent sovereign state since the 1990s.
What I can infer from what Lewis and Clark saw when moving west from the Mississippi river is that the landscape along the river changed drasticallly. The forest receded, replaced first by the high prairie and then the shorter grass of the high plains. The temperatures became colder and as they continued their expedition by the river they realized that there was no water route to the pacific ocean, just more mountains.