What caused the rapid decline in the volume of first-class mail? The price of sending a piece of mail became too expensive for most Americans.

Americans decided that they reliec too heavily on the USPS to send and receive correspondence, so they stopped using
their services.

In 2007, the economy went over a financial cliff and people stopped using the USPS.

The ability to communicate digitally caused a change in people's behavior. they no longer had to send correspondence by
mail.

me

Explanation:

the correct answer is option d. the nature of democracy. on november 19, 1863, president abraham lincoln delivered his famous gettysburg address in gettysburg, pennsylvania. in his speech, rather than focusing on details of the war (soldiers, casualties, aftermath of battle), lincoln invoked the very nature of democracy, that power ultimately comes from the people, when stating, “government of the people, by the people, for the people shall not perish”. these words mean that democracy is a government by the people (citizens) in which the supreme power is vested in the people and exercised directly by the people or by their elected representatives for the benefit of all citizens. the survival of democracy in the united states is one of the reasons why this speech so significant today.