The characteristics spirit of a culture, Era ,or community as manifested in it's attitudes and aspirations.
Behaviorists probably. They believe external factors change the way we respond to stimuli.
The correct answer is random selection.
Random selection refers to a process in which a sample or group of participants for a research study are randomly drawn from the entire population the researcher has access to. The main strength of using a random sample for a research study is that biases are avoided and the findings obtained are more representative of the population as a whole.
Crassus joined forces with two other men in 60 B.C. to form a political alliance that would come to dominate Rome: the so-called First Triumvirate. Alongside Crassus stood Gaius Julius Caesar, an ambitious military commander beginning a life in politics.