Any boys free 13-16 if so I'm here but I'm not a creep just tryen to find someone

The transcontinental railroad runs from the to the i. north ii. south iii. east iv. west a. i and ii b. ii and iii. c. iii and iv d. ii and iv

Need answers to all questions for this paper

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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.