There were many more than three but the three main ones are the assassination of Archduke Franz Ferdinand, the rise of Nationalism, and the building up of military and alliances.
The correct answer is C) The blockade was lifted, and Berlin remain divided.
After World War II, Germany was split up into four different zones by the Allied Powers. The US, Soviet Union, France, and Great Britain each controlled a piece of Germany. Along with this, the four countries split up control of the capital city (Berlin). At this time, the Soviet Union caused tensions by blocking off East Berlin (controlled by the Soviet Union) from West Berlin (controlled by other 3 Allied Powers). This was ultimately resolved after the Soviet Union lifted the blockade. However, East and West Berlin would continue to be divided for roughly the next 4 decades.
One reason why the British soldiers fired on the Boston colonists during the Boston Massacre was because their were objects being thrown at them. These soldiers were harassed by an angry mob and hit by objects while protecting the Customs Office in Boston.
Another reason why the British soldiers fired on the colonists were because they were afraid of what might happen. Colonists, at this time, rebelled constantly against any symbol of the British government. This included tax collectors, who were tarred and feathered by colonists. These soldiers could have been worried that the colonists might attack them physically.
During Reconstruction, Johnson's influence can be described as "He did not have the political support that Lincoln had."
<h3>Why did he not have political support?
</h3>
Lincoln was a Republican and Congress was controlled by Republicans. Lincoln therefore had a lot of support in Congress.
Johnson on the other hand, was a Democrat who did not want the same things Republicans wanted. He therefore had little support in Congress, and was constantly overruled.
In conclusion, option D is correct.
Find out more on Johnson and Reconstruction at brainly.com/question/612359.