The continent is Antarctica.
Kush was weakened by the loss of trade.
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.
Answer:
The Great Depression
Explanation:
The United States was still suffering the Great Depression before it intervened. In 1939, Roosevelt told Americans that he wouldn't get involved in World War II, however quickly declared war after the Bombing of Pearl Harbor.
The US would need workers as a result of the war effort, and employed thousands of people at a time. People had jobs for the first time in ages, and many economists believed that the Great Depression was truly over.