Answer:
None would be possible without the discovery of x-rays.
Explanation:
The biggest difference between MRI and CT scans is that MRIs use radio waves while CT scans use X-rays, CT scans use X-rays while MRI scans use strong magnets and radio waves. * You're welcome ^^*.
The best explanation why the area between Spain and Gaul was not part of the Roman empire until that later period was a culmination from both undesireability and difficulty in accessing this region due to its mountaineous nature. So I would wager the answer being both C and D - undesireability and difficulty in access.
Robert E. Lee was the general.
I believe the answer is it committed the colonies to being independent.
Winston Churchill described communism across Europe as an iron curtain
