The best answer is, newspaper articles.
<span>President
William McKinley served as the 25th President of the United States and during
his two terms in office, he and his administration used national newspapers to
read the public's overall opinion regarding policies and actions of the
President. Though President McKinley was received well by the American people
he was assassinated by an anarchist and succeeded by Theodore Roosevelt. </span>
Because the first was in 1803
The answer for it it can help u out