The best and most correct answer among the choices provided by the question is the second choice. The cause of studying rocket technology was that to explore the "last frontier". I hope my answer has come to your help. God bless and have a nice day ahead!
Answer:
Negative: Chemical being released into the air. Positive: More jobs.
Explanation:
Factories produce toxic chemicals that ruin the environment.
Factories make vital jobs for workers. These jobs simulate the economy.
John F. Kennedy was the 35th president and served from January 1961 tell his assignation in 1963 in November.
Limited government intervention. Hope this helped