The American civil war. The south is the blue, the north is red. The south didn’t need to capture any Northern Territory, whereas the north wanted to take over the south so that they could keep the states united, hence the Union.
Answer:
The failure of the United States to enter a "Golden Age" after Johnson's 1964 victory and the passage of the Civil Rights Act was the Vietnam War.
Explanation:
The war in Vietnam was the longest in American history. It was an experience of failure and frustration for the country, constituting, without a doubt, the most serious failure of the United States in the Cold War.
There was a curious discrepancy in the external environment, where this war was a huge defeat for the country, and the internal environment, where the passage of the Civil Rights Act implied a social progress never seen before in the history of the United States.
A.
But technically, the U.S.'s largest trading partner is the European nations, with 270k exports, compared to Canada's exports - 310k.