Yes, I think that identifying the purpose would increase the credibility of the source, so if we understand the "should" here as "would be good if, is recommended" - then this statement is true.
Including the intent of the information in the source will help place the information in a wider context - and often the context is necessary to fully understand the content of a source.
Well, I don’t know one single word, but the worst phrase you could say to someone is probably to kill themselves or that they shouldn’t even be alive. This is more than insulting them, it’s telling them that no one cares about them and that they aren’t helping anyone by living on earth
They believed that a strong national government would cause the same problems the strong central leaders of England did. They didn't want a small tight knit group receiving all or most of the power. They didn't want to states to lose power so most of the power was given to them. A strong national government was viewed as dangerous
The earth gets most of its energy from the radiogenic heat from the radioactive decay of isotopes
<span>President Hoover called for a minimal government role in changing the economy.</span>