B) to prevent war. The United Nations was supposed to do that after World War II, as the League of Nations was ineffective at it.
The Olmecs were a culture of ancient peoples of the East Mexico lowlands.
I WANT TO ANSWER BUT I DONT KNOW THE ACTIVITY :(
<span>The bishop was chosen by Emperor Henry IV and the pope disapprove of the choice.
This is the correct answer!</span>
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.