write an introduction/use the major points suggested

"TOPIC 1: Write an introductory paragraph for an essay describing some of the problems which immigrants encounter when they first move to a new country. Some areas which you might consider are the language, loneliness, and employment. ( 3 major points)                                                        

Topic 2: Write an introductory paragraph for an essay describing some of the benefits of a college education. Some benefits which you might consider are better job opportunities and personal enrichment.(2 major points)

Topic 3: Write an introductory paragraph for an essay giving suggestions on how to have a successful marriage. Some suggestions which you might consider are showing respect, communicating honestly, and spending quality time together. ( 3 major points)