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.
The correct answer is "A: The Great Migration".
The Great Migration was the relocation of more the 6 million African Americans from the rural and urban areas of Southeastern United States (the states of the former Confederacy) to urbanized locations in the northeast, midwest, and west of the country. This dramatically changed the population distribution of African Americans, as 90% of their total population lived in the Southeast prior to this policy but when it ended 50% would live in the designed areas for relocation.
Osama Bin Laden wanted to end a certain group of humans and enslave them. He wanted to end them and tried doing so, but failing miserably.
Definitely believe you should read the entire Wikipedia article about Osama bin laden if you are interested.
Here is the link: https://en.wikipedia.org/wiki/Osama_bin_Laden
Answer:
Defeat at the battle of Gettysburg
Explanation:
The battle was a crushing defeat for the Confederacy. Union casualties in the battle numbered 23,000, while the Confederates had lost some 28,000 men–more than a third of Lee's army.