What was the historical significance of electing Barack Obama president in 2008?

On November 4, 2008, Obama defeated the Republican nominee, Senator John McCain of Arizona, making him the President-elect and the first African American elected President. He was the third sitting U.S. Senator, after Warren G. Harding and John F. Kennedy, to be elected president. Upon the vote of the Electoral College on December 15, 2008, and the subsequent certification thereof by a Joint Session of the United States Congress on January 8, 2009, Barack Obama was elected President of the United States and Joe Biden Vice President of the United States, with 365 of 538 electors

Explanation:

Answers will vary but should mention these items:

Barack Obama was the first African American elected US president.

The grassroots movement of Obama’s campaign increased the number of new voters, especially among youth and minorities.

The young and diverse members of the Obama electorate chose a Democratic majority in both houses of Congress.

Explanation:

PLATO

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).