Its tory ( tories thats what they were called by the patriots )
Answer: Longitudinal study.
A longitudinal study is one that involves repeated observations of the same variables over a period of time (in the example, it was four years). The opposite type of study is a cross-sectional study (one that looks at the variables at a given moment).
They acted like nurses to those in need
Answer: variables
Explanation:
A variable is either a qualitative or quantitative entity for example a number, age, sex, income, days, class grades, color, texture, shape and other. A variable can be changed or manipulated in an experiment to know its impact on the desired variable or the experimental variable.
A variable may vary among the members of the population for example height, weight, age, sex, intelligent quotient and other features. Such variation s can be useful in determination of the most prominent or least occurring traits in the survey research.
