Use transition words to make your writing flow
John F. Kennedy was an avid supporter of immigration. From the late 1800’s to the 1920’s the majority of the population was dedicated to immigrants coming to America in search of a better life. Many of these immigrants worked hard labor and dedicated many new ideas and inventions to the industry. Breakthrough technologies were introduced by immigrant backgrounds. Kennedy refused to let there be a second class in the caste system, he believed from the start that all men were equal no matter their origins. Immigrations greatly impacted the interpretation and attitudes of society, the work industry, and American History. Much of these reasons are the very ones that Kennedy recognized, and refused to let a democracy be the judge of taking away civil rights from those of a different country.
Yes, true. We have to do that at school sometimes.
A round or dynamic character would probably be your answer for one that changes throughout the story