Answer:
The author's purpose in this excerpt is to teach readers about a code system used during the American Revolution. persuade readers that ciphers are the greatest American invention. argue that Major Tallmadge made a mistake in sharing copies of his codes.
It would take 10 percent of votes for a state to rejoin the Union
I pretty sure it's isthmus
Class system is the distribution of scarce resources and rewards that is determined on the basis of achieved status.
1.
The Columbian Exchange began in the 16th century.
2.
potatoes
3.
livestock
