Answer:
They were kept from combat roles is the correct answer.
Explanation:
What time period are you focusing on?
Answer: René-Robert Cavelier
https://en.wikipedia.org/wiki/René-Robert_Cavelier,_Sieur_de_La_Salle#Mississippi_expedition
I'd say they shut down, because most of the men enlisted as soldiers for the war. At that time/era, the workforce were mainly men, with the women staying home and taking care of the house.