The social security administration faces new challenges in the twentieth first century because

a. there are more workers paying into the system

b. its services are no longer needed american workers

c. there are a greater number of retirees in the system

d. its revenue are needed in other government programs

Persons or group opposing or hostile to another person or group the definition word is

What would be considered a secondary source about the assasination of abraham lincoln

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.