Columbian Exchange/Think As Historian

Think As Historian: THINK AS A HISTORIAN: IDENTIfY EvIDENCE IN AN ARGUMENT

Historians develop arguments to explain and interpret the past. They develop claims—statements that express the assertions they make— and they support their claims with evidence.

Reread the second passage by Alfred W. Crosby Jr. in question 1 on the previous page. Then answer these questions.

1. What claim(s) does Crosby make in this passage?

2. Identify five pieces of evidence Crosby uses to back up his claims.