Answer:
I'm not sure, but either B or D
Explanation:
The Christian church could have survived without the Roman Empire, but it helped boost its popularity. D. Because it was one of the first Democraticish types of government that are still used today.
The home fronts provided for the allied Armies things such as metal, rubber, rags. Such things helped strengthen civilian morale and support for the war effort.
10 percent of the states population. It was Lincoln's plan for Reconstruction called the "10 percent plan."
The Cruscades. Without them, we wouldn't have slaughter of other religions.
