Correct answer choice is :
C) Primary source document
Explanation:
In the study of history as an educational rule, the main supply is an object, document, diary, manuscript, life, recording, or the other provide knowledge that was produced at the time below study. It is an inspired supply of knowledge regarding the subject. Although several primary sources stay in camera hands, others are put in information, libraries, museums, historical societies, and special collections. These may be public or non-public. Some are linked with universities and schools, whereas others are government organizations.
I believe the answer is B. and E.
Hope this helps and sorry if im wrong
It increases as they need to ship supplies to the army for medical uses or ammo such like. They need to rapidly produce weapons and ammo so that they can continue to fight on. Medicine such as penicillin was mass produced as it stopped infection rate so the mass production of that drug helped in ww2
Really hope this helps :)
Answer: Physics
Explanation: Physics is the field of science that studies an objects behavior in a certain time and space.
Airplanes were vital for ww1 to ease transport of amo and soon guns on the planes including bombs this made it easier for to launch quick air strikes on places like bases vulnerable to air strikes
