Easier travel and trade.. with others outside
He wanted to use the Mississippi for trade
Newspapers. I'm not sure of the name of the Chicago newspaper at the time.
Radio in the united states was to provide knowledge or communication to the citizens of what was going on in the country/ world. They were like tv's now days everyone had one, they gave the news just like television without the images, just the verbiage. For example, during world war 2, FDR (Franklin d. Roosevelt ) had sit-downs known as fireside chats were he would address the American people on the radio about details of the war, he used these talks to keep up the support of the American people and give them some insight to what was going on.
If you are a delegate, it means that you are a representative or supporter of it so if you support the state's constitution more than the country's, you are an anti-federalist because a federalist is someone who supports the states unified under one constitution so the opposite of that would be anti-federalist. So the answer is anti-federalist.