Question

Which event impacted the integrity of the United States government?

Constructing the Berlin Wall
March on Washington
Cuban Missile Crisis
Bay of Pigs Invasion

Answer 1

Likely the Bay of Pigs Invasion. It was a severe embarrassment for the Kennedy Administration when it failed and served only to strengthen Cuba's suspicions against the United States that it could not be trusted.

The Berlin Wall didn't have the same effect -- it only served to make the Soviets and their allies in East Germany look even worse. The March on Washington was a peaceful, public display of support for civil rights, and in the aftermath of the Cuban Missile Crisis, the US came out on top and embarrassed the Soviets instead.

Answer 2

Thanks :)