The correct answer should be strong
While modern and antiquated are antonyms, weak would be the antonym of strong.
The answer would be an Oxymoron.
Answer: Abraham Lincoln, the 16th President of the United States, was assassinated by well-known stage actor John Wilkes Booth on April 14, 1865, while attending the play Our American Cousin at Ford's Theatre in Washington, D.C. https://en.wikipedia.org/wiki/Assassination_of_Abraham_Lincoln
Explanation:
It's easier to text people when you need help.
it's a quick way for a response.
when you're mad at them they can't hear your tone of voice
you can learn how to spell words correctly.
when you are wrong about something that the other person can correct you without sounding rude.