Jama masjid was the first structure
Pharaohs, cuneiform and barter were most likely found in the age of 3500 BCE to 3000 BCE. Cuneiform was used by the Sumerians in that time period and the rulers of Egypt were also found in that time period as well. As for barter as a form of economy, that can be found in that time period as well and even much earlier, as it predates the use of coins.
Spanish, Portuguese, Tagalog
The correct answer is B. Spoils
The idea behind it is that it is like loot in war and that those who win can become the rulers and choose who gets positions. It doens't have to be corrupt since corruption is criminal activity and these people can actually do well. Many consider it to not be ethical, but it doesn't have to be corrupt.