Answer:
The anwer is B. Longitudinal.
Explanation:
Longitudinal research is carried under the same conditions, over the same subjects over different periods of time. It's especially useful for examining behavioral data. However, the most significant disadvantage is that they are time-consuming and might be expensive. Moreover, the subjects might not even continue participating in the research.
Are you talking about the colonial times? Basically, in the colonial times the English sought to establish new settlements in the places which today as a result have a big English-speaking white population ( so that's how you know they had establishments there)- so among others Northern America- today's USA and Canada and South Africa.
Among magazines that target audiences by age, the most dramatic recent success has come from those aimed at adults over fifty.
Explanation:
Adults over fifty years were the targeted audience for reading magazines. According to science, an adult who practices reading for more than thirty minutes gains a longer span of life. It psychologically results in cognitive engagement in adults and it also increase concentration and the feeling of empathizing with others.
Their social perception becomes positive and emotional intelligence is heightened. It is also a mean to keep the adult cognitively active and it is very beneficial for the people who are aged above fifty.
The solved it <span>By using slaves.
If the European managed to overlook the inhumane/morality aspects of it, using slaves would bring them a massive profit since they basically do not have to pay wages for the labor. In the past, the major sellers of slaves were the Europeans (the Netherlands & the Portuguese)
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