The answer is one and four.
1 and 4 are generally facts about his life and what he did.
2 and 3 are minor details rather than central ideas.
Labor-saving devices are inventions that reduce the time and effort needed to perform or complete a task. Farm equipment, home appliances and construction equipment are examples of mechanical inventions that save time and physical labor.
Sorry to say this but I think the question is asking you what event would make you feel as happy as billy, not anyone else.
Facts to back the information up.
Answer: Dear Hanna, how has your school year gone? Mine has been great so far! All of my classes are great, except Algebra. Will you write back soon? Enjoy your senior year!
Explanation:
