The old Roman Republic from its Empire had it's Emperor, Hail Caesar, with nearly absolute power. But being a republic then, they also had a Senate of which the Senators were elected from the people, as government's representatives of and for the people. This concept can be adapted to resemble our current legislative branch, vis-à-vis Congress. And of course our executive, commander-in-chief, stems from a less domineering figure of Rome's Emperor Caesar.
In the baroque period
(and even today) operas began with the overture. It was an instrumental
introduction to the opera. Eventually, these were separated from the opera in
Romantic era and led to the creation/birth of the orchestra <span> and orchestral music such as symphonic poems,
whom composers such as Beethoven and Mendelssohn began to use the term to refer
to independent, self-existing instrumental, programmatic works.</span>
So we don't repeat our past, learn about past cultures, learn about families that lived long ago, etc
<span>Because the Americans were stealing their land, stealing their food, and a lot more.</span>
American settlers continue to spread to the west and took land from Native Americans. As expansion continued, agreements were signed and they were broken with native americans losing their homes and land and force to move west. As Native Americans were forced to more to the west, they are not able to adopt to the environment they are moving to, so they died due to lack of food or diseases.