Self-interest refers to pursuing our own needs and desires. We usually engage in these types of behavior without knowing that we have done so.
Self interest motivates us to act because we yearn for self benefits.
Usually students get into political organization in order to influence government towards paying financial aids for those student who are needs sometimes including themselves. When they are engaged in politics they want their voice to be heard by the government to state their needs and expectations.
Several reasons actually. The most important one was its location. Thanks to it it enabeled the trade with African, European and Asian countries. Another thing is that it also was a good place to start a war on other countries.
