In Order to form a more perfect Union that means to have states staying together, so they can operate as a single nation.
The answer is the Middle Passage. It is the most well-known triangular trade in human history was the
18th century trade between West Africa, the West Indies, and Europe. It
refers to the piece of the trade where Africans, densely packed onto
ships, were transported across the Atlantic to the West Indies.
The journey took three to four months and, during this time, the imprisoned
people typically lay
chained in rows on the floor of the hold<span> or on shelves that ran around the inside of the ships'
hulls.</span>
The Russians created a new communist government that aligned with the Central Powers instead.
The Truman Doctrine was the event that triggered off the Cold War.
Explanation: Both parties were mutually hostile and did not believe in a possible peaceful coexistence anymore. The Americans and Soviets’ hostility to each other as well as the belief that they could no longer cooperate after the start of the Cold War resulted in the Berlin Blockade. Thus, I can conclude that the Truman Doctrine marked the start of the Cold War.