what does this mean Cognitive Ease (this a chapter title from book "thinking fast and slow" )

what's the difference between (more than 100) and (over 100 ) or there is no differnce

what this is mean To put out a manifesto, you must want A, B,C to fulminate against 1, 2, 3.

what's the difference -having read it -I had read it-expect -anticipate