In the study of history the available documents for studying a certain period is unchanging over time.
Option: B
Explanation:
History is the study of events and phenomena over space and time. Space means where the particular incident is taking place. Time means the period of occurrence of particular event. A certain period suppose the period of sultanate or mughal empire requires some documents, records to be studied in detail.
And these available documents, records can never be changed over time. History is study of things over changing space and time. Archaeological evidences also keep some valid documents for studying historical events.
The Triple Alliance was a loose agreement of cooperation among D) Germany, Austria-Hungary, and Italy. This alliance was in opposition to the Triple Entente which was made up of the governments of Great Britain, France, and Russia.
In the 1300s, the Church encountered a series of problems. These problems led to a decline in the Church's power. European kings had begun to reject papal claims of supremacy by the end of the 1200s. The struggle between Pope Boniface VIII and King Philip IV of France had serious consequences for the papacy.
