It used oligarchy, rule by a few.
1) The word "vassal" was mostly used for the knights who were responsible for providing the military defense for the king - the answer is "perform military service"
2) Magna Carta is known as the first document to limit the power of the king ! (3rd option)
3) this was the Holy Roman Empire, which was actually an association of independent states.
Many executive offices, especially important ones like attorney general<span> and </span>secretary of state<span>, are established in a state's constitution, which provides the basis for their right to do the things they need to and a description of their duties. Other offices commonly included in a state's constitution are </span>treasurer<span> and </span>superintendent of schools<span>. Its also has something to do with the different branches as well</span>
Generally speaking, throughout history most companies have used the "government" to successfully enter foreign markets, since the government often provides important subsidies for the companies in question. <span />
