It would allow the farmers to transport goods easily and cheaper
There should be no interference with slavery in the states in which it already existed... not sure if correct .
Answer:
sorry i just answer 3 but i you add your fourth question once again and i will answer there
hope it helps
Answer:
Women's roles changed in society because during the late 1800s and 1900s, women not only fought for the right to vote, but they also worked towards attaining social reform to increase gender equality. Female roles were one of the most drastic changes of any cultural, ethnic or gender group. They also began to work industrial jobs during the Progressive Era.