A) A rise in the popularity of British rock bands in America
In the mid-1960's, music from rock bands in Britain made its way over the Atlantic and became extremely popular here in the United States. One of the most well-known bands in the Invasion was the Beatles. They marked the start of the Invasion in 1964.
In part, the Cold War was a battle of ideas, which was contested in the media, on the floor of the United Nations, through all manner of propaganda, and in millions of interactions among Americans and their allies, the Soviet Union, “Red” China, and their allies, and the rest of the world. But the Cold War was not just about talk. It was also about action, and on a number of occasions the actions of the players on both sides of the Cold War divide resulted in confrontations and crises that brought the ideological adversaries to the brink of war.
I am not sure but i think its the second one because it was all about arts