1. both traded goods to each other or other.
2. Both grew there own foods on there farms.
3. Both ate rice.
The correct answer to this open question is the following.
Unfortunately, you did not include the text. Without the text, we do not know what you are talking about.
However, we did deep research to help you and can comment on the following.
If you are talking about the Declaration of Independence of the United States, then, the social contract that the government gets its power from the people is mentioned in the following excerpt: <em>"That to secure these rights, Governments are instituted among Men, deriving their just powers from the consent of the governed, — That whenever any Form of Government becomes destructive of these ends, it is the Right of the People to alter or to abolish it, and to institute new Government..."</em>
Enlightenment thinker Thomas Hobbes was one of the thinkers that talked about the social contract.
Other Enlightenment philosophers such as John Locke also wrote about popular sovereignty.
Baron of Montesquious and Jean-Jaques Rosseau were other thinkers that proposed interesting ideas about the form of governments and people's rights, that influenced further independence movements and revolutions.
Lewis and Clarke brought back maps of were certain Indian tribes were which were friendly and which were aggressive the also brought sketches of animals they didn't see on the eastern side of the u.s and plants like melon etc.
1. a
2. a or b most likely a.
good luck hope this helps sorry that im not positive about the 2nd one