An example of a challenge to political change would be special interest groups in Congress, while for economic change it would be tax codes, and for social changes it would be a lack of unity in protest.
Senator Joseph Raymond McCarthy
A legal goes through the steps and processes to become a citizien of the country being moved into while an illegal is one who simply disobeys the law and doesn't take the essential steps to become a citizen <span />
Explanation:
judicial introduces laws.
I'm sorry that I don't have any other answers.