Which of the following tools is more useful for learning about prehistory than for learning about history? a. c-14 datingb. secondary sourcesc. diariesd. newspaper articles

The correct answer is A. C-14 Dating

Explanation

History is the science that studies the facts of humanity's past period from the first record of writing systems to the present. On the other hand, prehistory is the period from the appearance of the first hominid until the emergence of writing. In spite of the above, it is history as a science the one that is responsible for studying everything that happened in the past. Additionally, for the investigation of prehistory, scientists have used mainly the carbon-14 (C-14 Dating) method that allows them to know the age of some objects found around the world, while for the period considered history, texts of all kinds have been taken to study civilizations and humanity. Because in these events from history but not from prehistory are recorded. So, the correct answer is A. C-14 Dating

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.

in the united states, the president is controlled by the

constitution, and in all respects subordinate to it. insofar

as it deals with presidential power, however, the american

constitution has proved to be a highly malleable document.

with very few exceptions,' the constitutional provisions relating to the president have not been changed at all since

they were ratified in 1787. but in the late twentieth century, those provisions do not mean what they meant in

1787. the constitution is a legal document, and it is enforced judicially; but its meaning was hardly fixed when it

was ratified. in particular, the contemporary president has

far broader powers than the original constitution contemplated. it is remarkable but true that large-scale changes in

the authority of the president have been brought about

without changes in the constitutional text, but nevertheless

without significant illegality.

this is a paradox. is it not clear that constitutional

changes, if not textual, are illegal? the paradox has considerable relevance to our current thinking about the presidency in particular and about constitutionalism in general.

perhaps the framers of the american constitution feared

legislative power most of all; 2 but from well-known events

in the twentieth century, it is possible to conclude that it is

presidential power that holds out the greatest risks to both

liberty and democracy. the president is by far the most visible leader in the nation; he is often the only person in government with a national constituency. moreover, he is