Answer:
Because they come directly from someone.
Explanation:
Other primary sources include photographs, diaries, documents, etc.
The Sherman Antitrust Act of 1890.
The tuskegee airmen were the first African American soldiers to complete their courses and successfully join into the air force, also known as the Army Air Force.
<u>THESIS STATEMENT:</u>
African Forest Elephants are a sign of peace as well as beauty;the animals symbolize hope,but are at risk of losing their lives due to selfish hunters.
Hope This Helps <3! I'm not very good at freestyle writing,so it might sound weird,but I hope you do great on your assignment!