The answer is b) Estate stratification.
This stratification system was a long-run result of feudalism since it fell under the same principles:
1) There's a social hierarchy in which there were a noble class and a peasant class.
2) Only the noble class could have land ownership, and the peasant (or serf) class must work it for the noble's usufruct.
This system of stratification was upheld not only by illustrated monarchies but also by modern nation-estates (like the U.S.), this is how it received the name of estate stratification.
That is Tropical, timerate, and polar<span>
</span>
By giving people more education, and remember they are using their money to give everyone else a bigger and brighter future of education, health, and more.
Soccer, being played from the 2nd and 3rd century BC in China, have only been popular from 1815 to universities and colleges which was spearheaded by English school and Eton College and developed set of procedures to play which have been called as the Cambridge rules by the Cambridge University in 1848.