Answer:
survey
Explanation:
A longitudinal study is the type of study that is done by observing a certain of factors repeatedly over a period of time.
In a double blind test any information that may influence the behavior of the subject is withheld.
A survey is the act of collecting data that a person specifically needs. Here, Mila wants to know her students' opinions about the food served in the school's cafeteria. Her survey has questions in order to find the students' opinions. Hence, this is survey.
A case study is a method of carrying out research in which a subject is studied closely with reference to the environmental conditions.
The answer is the past. It is because in order to learn, you need to realize the things you have done in the past and to make sure that the mistakes you had gone through in the past, will never repeat on the future as you are able to realize your faults and failures and it is a way of having guidance to keep in mind, so that it will not happen again.
Answer:
In order to modify the separation of powers, the framers created a best-known system—checks and balances. In this system, powers are shared among the three branches of government
Need Moree info but maybe something like get more land, goods, wealth, etc
