Answer:
They had days designated for religious observances.
Explanation:
D. Islam. Muhammad is the most beloved prophet in Islam, and the Qur'an is the holy book of Muslims :)
A.)federal government increased participation in businesses.
explanation
WW1 was an economic booster for the US and as the war continued in europe the us were thriving in manufactering and profits. The other choives dpmt have any logical reasoning so choice A is best.