Its: <span>When a large star grows old and runs out of fuel, it is thought that the result is a very large explosion. This explosion is called the "Big Bang."</span>
It reduced corruption because it established that government positions would be granted based on merit, and not on political affiliation. It was successful because parties had to become successful at businesses to earn funding.
The farmers and herders were the lowest level.
They were in the peasant class along with the slaves.
The passages through the Mediterranean for reaching the Indian Ocean were occupied by the Arabs, and they were requesting large amounts of money or goods for passing through, and also the waters were very insecure because of the pirates. So Portugal was trying to find a way around Africa to reach the Indian Ocean and thus India, so that it can continue with trade of the goods from the Asian continent and keep its wealth and power on the global scene.