Answer:
The untrained dogs.
Explanation:
Because de independent variable is the one that is not been studied. The independent variable can be modified and chosen by the researcher. The dependent one shows the results.
Explanation:
Advantages. Some historians have suggested that two-party systems promote centrism and encourage political parties to find common positions which appeal to wide swaths of the electorate. It can lead to political stability which leads, in turn, to economic growth.