In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.

also , please do your best to always fill in the edit summary field.
also , please do your best to always fill in the , " edit summary " field.

a historian has stated that " it was quinine 's efficacy that gave colonists fresh opportunities to swarm into the gold coast , nigeria and other parts of west africa ".
a historian said , " it was quinine 's efficacy that gave colonists fresh opportunities to swarm into the gold coast , nigeria , and other parts of west africa ..

the city declined after the war and recovered its importance only in the nineteenth century , when it grew as an industrial center.

the city decreased after the war and recovered its importance only in the nineteenth century , when it grew as an industrial site.