These journalists were called muckrakers. They basically "raked the muck" out of society to make it a better place. They uncovered unsafe working conditions and unjust business practices and wrote about them to try to expose corruption.
It does because your reading it then it tells you about it.
The articles of confederation had a weak central government. The constitution was made to have a strong centralized government so that the people had someone to go to in times of need or when things got crazy for example rebellions
