The state union is an address from the president. It is usually intended on informing the public of what the leader/president is doing, such as his own opinion and how he would solve the problems at hand
Im not in this level of history...but yes I also think you are correct!
I would say that they tried to eliminate it because children worked long hours in unsafe conditions.
In PITI the T stands for;
<u>Taxes</u>!
Trade was made easier and it made people have more connections into different parts of the country.