I need help with my history can some help me with all of the assessment

Q1: Regional commerce policies are shaped as synecdoche by national interest. Each region is not necessarily a representative piece of the whole. Whereas regional interest may be varied, changing from region to region, broader scope national interest is more homogeneous, taking into account a majority of the larger group and eliminating outliers. Thus national interest shapes policies in a way that keeps regions accountable to a set of rules that keeps them relatively homogeneous across different regions.

Q2: There were still strong disagreements between the North and the South over the expansion of slavery. However, it did ban slavery in new northern territories.

the answer is a. harriet tubman was a nurse on the battlefield.