In simple terms, scrubbing the stain only made it worse. Exacerbating means to make something worse than what it already is.
The answer is B it was a period of renewed...
This is an English question? Well, Pangaea is the theory that all continents were once one piece of land, and continental drift is what caused the separation of the land into 7 different continents. This theory also claims that one day Pangaea is going to reconnect due to continental drift.
For example, it means everyone contributes, so when you go to dinner with a group of people, you would all pay for your own bill.