<span>Harriet Tubman's primary role in the effort to abolish slavery was that he established the "Underground Railroad" (not an actual railroad), which helped slaves escape from the South to freedom. </span>
Answer:
I think the answer is because it is an easier way to bring goods back and forth between states, making trades and transportation less of a struggle.
Explanation:
Knowledge
<span>congress must establish a concrete connection betweeb a law's provision and interstate commerce before superseding policies that traditionally fall under state jurisdiction</span>
Soldiers' morale was low and there was a lack of discipline.