Answer:
<h2><u><em>Joe mamma Joe mamma Joe mamma</em></u></h2>
(A) its true they were originally invented during this time.
The principle means repeating some of the aspects of a design throughout the entire presentation. It would also help to organize information that would guide readers. Examples would be using a template,same font size and type,font colour and color scheme.
It was created by two painters
1st: Leon Battista Albertie
2cd: Filippo brunelleschi
I hope this helps you