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.
Both events lowered the population of Europe.
The Nuclear Non-Proliferation Treaty went into effect beginning in 1970 for a period of 25 years. In 1995, an international conference extended it indefinitely.
Answer:
The Agricultural Adjustment Act (AAA) was a United States federal law of the New Deal era designed to boost agricultural prices by reducing surpluses. The Government bought livestock for slaughter and paid farmers subsidies not to plant on part of their land.
Explanation:
Multiple choice.
Both were very important to the American Revolution.
