Which claim about immigration is best supported by the information in the charts? * A. Northern Europeans were not permitted to enter the United States from 1860 to 1920.
B. The percentage of German immigrants increased between 1860 and 1920.
C. Immigration from the Western Hemisphere declined after 1900.
D. Southern and eastern Europeans made up a majority of immigrants from 1900 to 1920.

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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