The second part because there isn’t much description
Take key points and use them in the new speech. Make it short and sweet. Also don't use "big" words. Use words kids can/will understand, or be prepared to define them, explain them, and give an example.
Answer:
This helps us to create and shape history because we can now record our makings much easier. Before you were limited to only pen or still photos of black and white. Now you can video record and take much higher quality pictures of this day.
Explanation:
Memoir
NOUNa historical account or biography written from personal knowledge or special sources
You can cross out A
Hope this helped a bit