In short, international trade in livestock, poultry, and products to the US are very important because other countries are better equipped for certain products and goods. So international trade allows for the US to have access to those products and goods that may not be produced in the US at the demanded quantities and quality.
It depends what the college is and where it is you should call the college and ask
There are 4 main events that influenced the creation of new state constitutions are the House of Burgesses which was when the first government discussed national level representative government, the founding of Rhode Island for religious freedom from the puritans, the First Great Awakening which was when people finally were able to think for themselves without too much influence from the church, and the statement of John Lock wherein he believed that people had rights under the government.