Who was the President of the United States mentioned in the text?

Donald J. Trump served as the 45th President of the United States from January 20, 2017, to January 20, 2021. His presidency was marked by significant political events, including the implementation of tax cuts, changes to immigration policies, and the appointment of three Supreme Court justices. Additionally, Trump’s administration was characterized by a strong focus on economic growth and 'America First' foreign policy priorities.

Understanding the context of the question may involve considering the time frame or specific events referenced in the text that align with Trump's presidency, distinguishing his administration's notable actions or characteristics from those of other Presidents listed. This context is crucial to fully grasp why Donald J. Trump is recognized in this inquiry.