Answer:
The 1850 Fugitive Slave Act allowed fugitive and freed workers in the north to be captured and enslaved. This made Harriet's job as an Underground Railroad conductor much harder and forced her to lead enslaved people further north to Canada, traveling at night, usually in the spring or fall when the days were shorter.
Explanation:
The answer is B I hopes this helps
Answer:
2 levels of the independent variable and 0 levels of dependent variable
Explanation:
Levels of independent variable indicate the types of experiment here. Here we have the control experiment and experimental group. The control experiment/group is the group that is not altered and used to measure the experimental group. The control group is the 50 children that took nutritious breakfast while the experimental group is the 50 children that took doughnuts /non nutritious food. If there are more than two types of experiment, the number of experiment types are the number of levels of the independent variable. The dependent variable here has 0 levels
I believe the Federal government