Answer:
The White House
Explanation:
When the British reached Washington D.C. near the end of the War of 1812, they set the White House, Capitol, and many other public buildings on fire.
In 1969 protesters for American Indian independence occupied the island "Alcatraz" of the coast of San Fransisco. They did this mainly to bring attention to the unfair treatment of Natives by the US government.
The biggest issue is by technology.