One of the most important things that happened on June 6th 1944 was known as "D-Day"
The best and most correct answer among the choices provided by the question is the first choice "demographers"
Demography<span> is the science of populations.</span>Demographers<span> seek to understand population dynamics by investigating three main demographic processes: birth, migration, and aging (including death).</span>
I hope my answer has come to your help. God bless and have a nice day ahead!
E united states of america
I think the answer is letter C I am so sorry if I am incorrect