Answer:
The correct answer would be option A, Observation.
Explanation:
When someone observes something for a specific period of time, closely monitors the act which is happening, the process is called as the Observation. Observation is done in research methodologies to find out the occurrence of the specific event, and then it is recorded or noted down to get the results of that observation.
In simple words, Observation is to observe someone's specific action for a certain period of time.
So in this example, when Dawn's parents record her hair pulling behavior for a specific period of time, they are actually making observation about the behavior of their daughter.

Alfonso's average speed was 400 meters per minute.
Answer: it made them more closer in relationship status
Answer:
John Foster Dulles was an international lawyer and US Secretary of State and was known for his strong stance against communism all over the world.
The major factor was false instinct of threat.He concluded there was a threat where there was none. If we had removed the troops immediately at the end of World War I , the so called threat would have disappeared.
The US and Britain formed an alliance and attacked Russia towards the end of World War I .They thought the revolutionary Bolsheviks would be too disorganized to accomplish a successful military regime and Russia could be split between them.
Answer:
General Dyer's
APRIL 13, 1919 - JALLIANWALA BAGH MASSACRE
Inspite of General Dyer's orders prohibiting unlawful assembly, people gathered at Jallianwala Bagh, where two resolutions were to be discussed, one condemning the firing on April 10 and the other requesting the authorities to release their leaders.