I can name a few: Slavery, Civil War, World War 1 and WW2, Industrial Revolution, 9/11, Obama being the first black president.
Most monarchy adds a parliamentary system which is either directly or indirectly elects a prime minster
Answer:
both the speaker and the vice president sit at the speaker's desk, behind the president for the duration of the speech.
Tea because of the stamp act
Answer:
The answer is, Ernest research showed that an atom has a small, dense, positively charged nucleus which is surrounded by empty space and electrons. If this isn't an answer, give off answer choices.