The answer in the space provided is experiments. It is because in order to produce causation or to likely have a cause of something in particular, they need to conduct experiments in which they will likely form new ideas and test this ideas to form something new that will cause and contribute to others and will be of gain of knowledge.
Answer: NAACP
Explanation: NAACP stands for The National Association for the Advancement of Colored People. It's a civil right movment organization in the United states, and it was also formed in 1909.
It is naturalization
At least eighteen years old.
A lawful permanent resident of the United States.
Resident and physically present in the United States for at least five years at the time of application.
Of good moral character.
And do a oath of allegiance