Why is it bad for a government leader to act in an arbitrary (random) way or in a way that is only good for the leader?

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!

lancelot said to the beautiful ellen i c u r a b u t l n (i see you are a beauty lancelot was the greatest and worst of the knights who became the king's champion and undertook quests in the king's name. he became the adulterous lover of queen guinevere, and they had a son named galahad.