To plunder is to take something that doesn't belong to you without permission. When the soldiers plundered the city, they took everything that they could find.
To conquer something is to win or defeat it. When the Spanish conquistadors conquered Mexico, they were able to take over the country and control it.
To skyrocket is to increase very rapidly in value or popularity. When the stock market goes up, a lot of companies' stock prices will skyrocket.
Unimaginable is a word that is used to describe something that is too difficult or too strange to be possible.
Cheaply is used to describe something that is not expensive, but is not also quality. Cheaply made products are often not very durable or reliable.
stagnation is a situation where there is a decline in activity or growth. The economy is often said to be in a state of stagnation when there is a decline in the number of jobs, businesses, or people.
To prosper is to do well, to be successful. The economy is thriving, and the people who are prospering are the ones who are doing well.
To be afloat is to be on the surface of a body of water. Sometimes people use the word to describe someone or something that is in favor or successful.