What was the main event in the article? Was the main event helpful or harmful to society?

What makes this speech a primary source? o a. the words are spoken by the president himself. o b. it uses narrative to keep the reader's attention. o c. it was written over 70 years in the past. o d. it contains a strong historical argument.

How do i do this? true or false? : elephants have the same dna as humans and bananas alike.

Which best describes the impact of the crusades on european exploration?