Which two of the following selections from the article include central ideas of the article?
1. The City and County of Denver currently are home to descendants of approximately 100 tribal nations.
2. WHEREAS, Columbus' voyage to the Americas opened the door to crimes; crimes that included the introduction of transatlantic slavery and acts of genocide against Indigenous People.
3. The City acknowledges that indigenous nations have lived upon this land since time immemorial.
4.It is a day to better reflect on the experiences of Indigenous people. It is an opportunity to honor their roots, history and contributions.