Proszę o sprawdzenie poprawności gramatycznej, językowej i poprawę błędów. Jeżeli są złe czasy gdzieś to też proszę o korekcję.
John Kennedy was 35. President of USA.
He was born in 1917 in Brooklyn. His Family was rich, so he was learning already when he was young. When he was 18 he sailed with parents and Sister Kathleen to London. He was studying there politics. When they sailed back to USA, he studied at Princeton University in New Jersey and that at Harvard College.
In July 1939 he went to Poland. He had to check mood of polish society and politics. He wrote to father that Poles are in good mood and hope that all will be ok. Two mnths later Germany attacked Poland.
Kennedy was from 1941 to 1943 in U.S. Navy. Than has started his politics career. First he was Congressman than Senator. In Senat he was called single and podrywacz. In comanded him to find because he thought that than he will easier become president. In 1953 he married journalist Jacqueline Lee. Thay had 4 children.
In 1957 John Kennedy wrote book about popular politics. In 1961 he become president. Than he talked popular sentence: „Ask not what your country can do for you, ask what you can do for your country“.
When he was president, he invoked Peace Corps. It changed actions of USRR, helped to remove rockets from Cuba. Thanks that there wasn’t III World War.
Kennedy wage war in Vietnam, tested nucler bomb. He wanted to build spaceship, but he didn’t make it. It was made 6 years after his dead.
In 1963 he started his election campaign. When he was driving in Lincoln, he was shooted 3 times. He died in Parkland Hospital in Dallasat 1pm. There was lots of opinions about his dead but probably he was killed through Lee Harvey Oswald, exsoldier of US Marine.