Question

how did the british forces further pummel the american morale after defeating the us troops at canada and bladensburg

Answer 1

British troops advanced to Washington DC and burned the White House, the Capitol, and other significant structures.

Answer 2

British troops advanced to Washington DC and burned the White House, the Capitol, and other significant structures, is the right answer.

Step-by-step explanation:

The British aggression of Washington DC during the War of 1812, is an event in the history of the United States known as the Burning of Washington. A British troop under the leadership of Major General Robert Ross after defeating the army of the United States at the Battle of Bladensburg fired a number of buildings such as the White House, the Capitol building and some of the other departments of the government of the United States.