Final answer:
The American embassy celebrated the event by hosting a grand party.
Step-by-step explanation:
The American embassy celebrated the event by hosting a grand party. This is evident during the bicentennial celebration of the United States' independence from Great Britain in the mid-1970s. The celebration included various events and festivities, and one of them was a grand party hosted by the American embassy.
By hosting a grand party, the American embassy was able to gather people together to celebrate the event, create a festive atmosphere, and honor the historical significance of the occasion. This type of celebration allows for social interaction and a sense of community.