He resigned because he'd already had enough trouble as president. Mainly the Watergate scandal. His plan was for him to step down and if he was arrested the vice president which would then be the vice president would pardon him. Also, if he didn't resign he'd likely be impeached anyway.
The correct answer is
<span>Mosaics picture stories from the Bible
These types of mosaics were found as early as the 4th century AD and mostly showed pictures from the Bible. Saints and kings started getting shown a bit later, but soon after the earliest ones. These can be found in basilicas and churches like those in Ravenna.</span>
Explanation:
All great...Nice to meet you