Put the verbs in brackets in the correct tense and voice.
New York Tribune.
The New York Tribune_____(to create) by Horace Greeley in 1841 whose main idea _
(to be) to provide a trustworthy media source of that time Contrary to other newspapers based Mostly on sensations, the New York Tribune _____(to consider) to be one of the leading news-Papers in the United States. The newspaper _____(to change) its title several times and _____(to publish) until 1993. Nowadays copies of the New York Tribune
_____(to be) available on microfilm at many large libraries. The original paper articles ___ (to keep) at the Center for American History at University of Texas at Austin.