Answer:
Yes.
Step-by-step explanation:
Yes, Jet engine research was intensified during World War II to improve our wartime fighting capabilities. Jet fighter planes paly a crucial role in the World War II because it causes great damage to the enemies naval ships and infrastructure. So for this reason, each and every country increases the abilities of his Jet fighters to give tough time and more damage to their enemies so that's why Jet engine research was intensified during World War II.