Answer:
C - the expansion of slavery in the South
Explanation:
With the invention of the cotton gin, more workers (slaves) were needed to work the fields to increase the amount made from the cash crop.
Answer:
29
Explanation:
Brake it down- 10+10=20, 20+9=29.
<span>A prolonged economic contraction that is not especially long or severe is called recession.
</span><span>When there is a significant decline in activity across the economy and this is lasting longer than a few months then we have recession.
</span><span>Recession is characterized with the following:
</span>drop in the following five economic indicators: real GDP, income, employment, manufacturing and retail sales<span>.</span>
Answer:
Group size
Explanation:
In an experiment the change of one variable over the other is measured.
The variable which shows changes because of another variable is called the dependent variable.
The variable which changes on its own and causes a change in the dependent variable is called the independent variable.
Here the survey measured how the satisfaction of the people varied in relation to the group size. Hence, the group size is the independent variable and the satisfaction is the dependent variable.
