Well to write there ideas and scrolls for anctient texts
some were revolutionary were u didn't have cars u had to walk by foot, horse, by boat to have transportation it wasn't easy n they had to do it for miles n miles now we look back as how transportation was even invented but it was now we have millions of ways of transportation ways doesn't matter from planes to technology, etc.
Through civil disobedience, as in protesting or using the first ammendment right to voice your opinion
Brunelleschi created perspective, it was important because it was never seen before and allowed artists to draw what their eyes could see
to define what kinds of scientific study can be done in Antarctica
